何故不寐？湛于有累；何故能寐，行于无事。—— 宋·邵雍《能寐吟》
R900910270 LC25A20E7X/力士乐二通插装阀
博世力士乐 液压阀 开/关阀 Bosch Rexroth 二通插装阀 方向阀
R900910270 LC25A20E7X/ R900910270 LC25A20E7X/力士乐插装阀
R900910270 LC25A20E7X/ R900910270 LC25A20E7X/力士乐插装阀
Bosch Rexroth Industrial Hydraulics
博世力士乐工业液压
On/off valves
开/关阀
2-way cartridge valves
二通插装阀
Logic elements - directional function
逻辑元件 - 方向控制功能
2-way cartridge valves, directional functions
LC (standard)
- Standard series
- Size 16 … 160
- Component series 6X, 2X, 7X
- Maximum operating pressure 420 bar
- Maximum flow 25000 l/min
Features
- Valve poppet with or without damping nose
- 2 area ratios
- 6 different cracking pressures
力士乐逻辑元件 换向功能
LC 25 A20E7X/
材料号：R900910270
产品类型：LC = 插装阀
通径：25
面积比：A = A1:A2 = 2:1 (A2=50 %)
开启压力：20 = 约 2.0 bar（针对活塞规格‘A’）
活塞形状：E = 阀座标准形状
系列：7X
通道B中的钻孔：无钻孔
密封：NBR
博世力士乐 液压阀 开/关阀 Bosch Rexroth 二通插装阀 方向阀
R900910270 LC25A20E7X/ R900910270 LC25A20E7X/力士乐插装阀
R900910270 LC25A20E7X/ R900910270 LC25A20E7X/力士乐插装阀
供应商信息：武汉亿嘉隆机电设备有限公司
Attn：袁荣18971564403
Email：752455694@qq.com
Tel：027-87688933
Fax：027-87688939
Q扣扣Q：752455694
春夏宜早起，秋冬任晏眠。晏忌日出后，早忌鸡鸣前。—— 明·胡文焕《寿养丛书》
R900910270 LC25A20E7X/力士乐二通插装阀
博世力士乐 液压阀 开/关阀 Bosch Rexroth 二通插装阀 方向控制阀 控制盖板 逻辑元件 阀门
Bosch Rexroth Industrial Hydraulics
博世力士乐工业液压
On/off valves
开/关阀
2-way cartridge valves
二通插装阀
Logic elements - directional function
逻辑元件 - 方向阀功能
插装阀 LC...型
控制盖板 LFA...型
- 通径 16 至 160
- 系列 2X; 6X; 7X
- 最高工作压力 420 bar
- 最大流量 25000 L/min
控制盖板型号：LFA 25 WEA7X/...
带方向阀4WE 6 D6X/EG24N9K4和连接插头
LC 25 A40E7X/...型插装阀
特点
- 锥式座阀带或不带阻尼
- 2 种面积比
- 4 种弹簧
- 4 种行程限位器
- 带内装座阀的控制盖板
- 带内装梭阀的控制盖板
- 用于安装方向滑阀的控制盖板，带或不带内装梭阀
- 用于安装方向座阀的控制盖板，带或不带内装梭阀
Bosch Rexroth Hydraulic Valves
博世力士乐液压阀
订货型号：
插装阀（不带控制盖板）
"LC * * * * * / *"
"LC"--插装阀
"*"--公称通径：
系列7X：16,25,32,40,50,63
系列6X：80,100
系列2X：125,160
"*"--面积比：
A = 面积比2:1（环形面积=50%）
B = 面积比14.3:1（环形面积=7%）
"*"--开启压力：
00 = 约 0 bar（无弹簧）
05 = 约 0.5 bar
10 = 约 1 bar
20 = 约 2 bar
30 = 约 3 bar（仅规格125）
40 = 约 4 bar
"*"--E = 阀芯不带阻尼头（标准）
D = 阀芯带阻尼头
"*"--系列：
7X = （通径16至63）系列70至79，安装和连接尺寸保持不变
6X = （通径80和100）系列60至69，安装和连接尺寸保持不变
2X = （通径125和160）系列20至29，安装和连接尺寸保持不变
"*"--密封件：
无代号 = 丁睛橡胶密封
V = 氟橡胶密封（其他密封按要求）
其它密封请咨询。
注意：必须考虑密封件和压力介质的协调性！
Bosch Rexroth
博世力士乐
插装阀技术数据
最高工作压力：
- 不带方向阀：420bar
- 油口A,B,X,Z1,Z2：315；350；420bar（取决于顶装方向阀）
- 油口Y：相当于顶装方向阀的回油压力
压力介质：见说明
环境温度范围：-20 至 +70 °C
压力介质温度范围：-20 至 +80 °C
粘度范围：2.8 至 380 mm2/s
油液清洁度：见说明
……
黎明即起，洒扫庭除。—— 清·朱柏庐《治家格言》
R900910270 LC25A20E7X/力士乐二通插装阀
博世力士乐 液压阀 开/关阀 Bosch Rexroth 二通插装阀 方向控制阀 控制盖板 逻辑元件 阀门
Bosch Rexroth Industrial Hydraulics
博世力士乐工业液压
On/off valves
开/关阀
2-way cartridge valves
二通插装阀
Logic elements - directional function
逻辑元件 - 方向阀功能
插装阀 LC...型
控制盖板 LFA...型
型号列举
R900912565 LC16A00E7X/
R900912570 LC16A00D7X/
R900912566 LC16A05E7X/
R900928456 LC16A05E7X/V
R900912571 LC16A05D7X/
R900925950 LC16A05D7X/V
R900912567 LC16A10E7X/
R900931361 LC16A10E7X/V
R900912569 LC16A10D7X/
R900946786 LC16A10D7X/V
R900910269 LC16A20E7X/
R900964930 LC16A20E7X/V
R900912572 LC16A20D7X/
R900930441 LC16A20D7X/V
R900912568 LC16A40E7X/
R900934008 LC16A40E7X/V
R900912573 LC16A40D7X/
R900931262 LC16A40D7X/V
R900912592 LC16B00E7X/
R901157742 LC16B00E7X/V
R900912597 LC16B00D7X/
R900912593 LC16B05E7X/
R900937526 LC16B05E7X/V
R900912598 LC16B05D7X/
R901078215 LC16B05D7X/V
R900912594 LC16B10E7X/
R900977395 LC16B10E7X/V
R900912596 LC16B10D7X/
R901001288 LC16B10D7X/V
R900912595 LC16B20E7X/
R900964827 LC16B20E7X/V
R900912599 LC16B20D7X/
R900912590 LC16B40E7X/
R900975249 LC16B40E7X/V
R900912600 LC16B40D7X/
R900248832 LC16B40D7X/V
R900912575 LC25A00E7X/
R900921428 LC25A00E7X/V
R900912579 LC25A00D7X/
R900933193 LC25A00D7X/V
R900912576 LC25A05E7X/
R900941241 LC25A05E7X/V
R900909251 LC25A05D7X/
R900936651 LC25A05D7X/V
R900912577 LC25A10E7X/
R900929382 LC25A10E7X/V
R900912578 LC25A10D7X/
R900939569 LC25A10D7X/V
R900910270 LC25A20E7X/
R900945769 LC25A20E7X/V
R900912580 LC25A20D7X/
R900937426 LC25A20D7X/V
R900912574 LC25A40E7X/
R900928559 LC25A40E7X/V
R900912581 LC25A40D7X/
R900926717 LC25A40D7X/V
R900912602 LC25B00E7X/
R900929381 LC25B00E7X/V
R900912606 LC25B00D7X/
R901075026 LC25B00D7X/V
R900909246 LC25B05E7X/
R900936650 LC25B05E7X/V
R900912607 LC25B05D7X/
R900939332 LC25B05D7X/V
R900912603 LC25B10E7X/
R900737385 LC25B10E7X/V
R900912605 LC25B10D7X/
R901001290 LC25B10D7X/V
R900912604 LC25B20E7X/
R900960597 LC25B20E7X/V
R900912608 LC25B20D7X/
R900776194 LC25B20D7X/V
R900912601 LC25B40E7X/
R900924388 LC25B40E7X/V
R900912609 LC25B40D7X/
R900617503 LC25B40D7X/V
R900912586 LC32A00E7X/
R900929153 LC32A00E7X/V
R900912587 LC32A00D7X/
R900940400 LC32A00D7X/V
R900912585 LC32A05E7X/
R900925274 LC32A05E7X/V
R900909245 LC32A05D7X/
R900953866 LC32A05D7X/V
R900912583 LC32A10E7X/
R900948606 LC32A10E7X/V
R900912588 LC32A10D7X/
R900933758 LC32A10D7X/V
R900906337 LC32A20E7X/
R900929929 LC32A20E7X/V
R900912589 LC32A20D7X/
R900956379 LC32A20D7X/V
R900909662 LC32A40E7X/
R900929926 LC32A40E7X/V
R900909665 LC32A40D7X/
R900951827 LC32A40D7X/V
R900912611 LC32B00E7X/
R900967039 LC32B00E7X/V
R900912615 LC32B00D7X/
R900909570 LC32B05E7X/
R900927012 LC32B05E7X/V
R900912616 LC32B05D7X/
R900927010 LC32B05D7X/V
R900912612 LC32B10E7X/
R900774959 LC32B10E7X/V
R900912614 LC32B10D7X/
R901001292 LC32B10D7X/V
R900912613 LC32B20E7X/
R900953895 LC32B20E7X/V
R900912618 LC32B20D7X/
R901131754 LC32B20D7X/V
R900912610 LC32B40E7X/
R900928566 LC32B40E7X/V
R900912617 LC32B40D7X/
R900248833 LC32B40D7X/V
R900937994 LC40A00E7X/
R900972503 LC40A00E7X/V
R900973493 LC40A00D7X/
R900937996 LC40A05E7X/
R900975451 LC40A05E7X/V
R900937995 LC40A05D7X/
R900748061 LC40A05D7X/V
R900937998 LC40A10E7X/
R900969695 LC40A10E7X/V
R900937997 LC40A10D7X/
R900247998 LC40A10D7X/V
R900938000 LC40A20E7X/
R900963752 LC40A20E7X/V
R900937999 LC40A20D7X/
R900947661 LC40A20D7X/V
R900927973 LC40A40E7X/
R900960596 LC40A40E7X/V
R900935732 LC40A40D7X/
R900979962 LC40A40D7X/V
R900926306 LC40B00E7X/
R900977714 LC40B00E7X/V
R900938001 LC40B00D7X/
R900938002 LC40B05E7X/
R900966245 LC40B05E7X/V
R900964616 LC40B05D7X/
R901013635 LC40B05D7X/V
R900938005 LC40B10E7X/
R900706494 LC40B10E7X/V
R900938003 LC40B10D7X/
R901001305 LC40B10D7X/V
R900938007 LC40B20E7X/
R900248017 LC40B20E7X/V
R900938006 LC40B20D7X/
R900969016 LC40B20D7X/V
R900938009 LC40B40E7X/
R900969619 LC40B40E7X/V
R900938008 LC40B40D7X/
R901039399 LC40B40D7X/V
R900938020 LC50A00E7X/
R900969811 LC50A00E7X/V
R900967287 LC50A00D7X/
R900938022 LC50A05E7X/
R900716767 LC50A05E7X/V
R900938021 LC50A05D7X/
R900975452 LC50A05D7X/V
R900938024 LC50A10E7X/
R900969693 LC50A10E7X/V
R900951983 LC50A10D7X/
R900249022 LC50A10D7X/V
R900920273 LC50A20E7X/
R900955409 LC50A20E7X/V
R900938026 LC50A20D7X/
R900970203 LC50A20D7X/V
R900929935 LC50A40E7X/
R900710125 LC50A40E7X/V
R900938027 LC50A40D7X/
R900976341 LC50A40D7X/V
R900956400 LC50B00E7X/
R900938029 LC50B00D7X/
R900938031 LC50B05E7X/
R900976999 LC50B05E7X/V
R900938030 LC50B05D7X/
R901173185 LC50B05D7X/V
R900938032 LC50B10E7X/
R900972937 LC50B10E7X/V
R900942879 LC50B10D7X/
R900929665 LC50B20E7X/
R900248831 LC50B20E7X/V
R900938033 LC50B20D7X/
R900759670 LC50B20D7X/V
R900928823 LC50B40E7X/
R900729521 LC50B40E7X/V
R900938034 LC50B40D7X/
R900938054 LC63A00E7X/
R901105435 LC63A00E7X/V
R901137263 LC63A00D7X/
R900938056 LC63A05E7X/
R900979798 LC63A05E7X/V
R900938055 LC63A05D7X/
R900974891 LC63A05D7X/V
R900938057 LC63A10E7X/
R900969639 LC63A10E7X/V
R900953112 LC63A10D7X/
R900979055 LC63A10D7X/V
R900928826 LC63A20E7X/
R900970703 LC63A20E7X/V
R900938058 LC63A20D7X/
R900971009 LC63A20D7X/V
R900933230 LC63A40E7X/
R900727900 LC63A40E7X/V
R900938059 LC63A40D7X/
R900705510 LC63A40D7X/V
R900938062 LC63B00E7X/
R900938061 LC63B00D7X/
R900938063 LC63B05E7X/
R900247255 LC63B05D7X/
R900947911 LC63B10E7X/
R900705280 LC63B10E7X/V
R900960185 LC63B10D7X/
R901072231 LC63B10D7X/V
R900938064 LC63B20E7X/
R900969072 LC63B20E7X/V
R900960615 LC63B20D7X/
R901174969 LC63B20D7X/V
R900929940 LC63B40E7X/
R900711883 LC63B40E7X/V
R900938065 LC63B40D7X/
R901174986 LC63B40D7X/V
R900570128 LC80A00E6X/
R900552747 LC80A00E6X/V
R900918158 LC80A00D6X/
R900569389 LC80A05E6X/
R900577207 LC80A05E6X/V
R900554857 LC80A05D6X/
R900496956 LC80A05D6X/V
R900533027 LC80A10E6X/
R900960190 LC80A10E6X/V
R900534131 LC80A10D6X/
R900520967 LC80A20E6X/
R900244756 LC80A20E6X/V
R900527337 LC80A20D6X/
R900506917 LC80A40E6X/
R900929795 LC80A40E6X/V
R900547135 LC80A40D6X/
R900979953 LC80A40D6X/V
R900560360 LC80B00E6X/
R900568486 LC80B00D6X/
R900546788 LC80B05E6X/
R900468812 LC80B05D6X/
R900563206 LC80B10E6X/
R900525186 LC80B10E6X/V
R900527918 LC80B10D6X/
R900533784 LC80B20E6X/
R900525187 LC80B20E6X/V
R900521513 LC80B20D6X/
R901108714 LC80B20D6X/V
R900533785 LC80B40E6X/
R900617469 LC80B40E6X/V
R900935903 LC80B40D6X/
R900924897 LC80B40D6X/V
R900358104 LC100A00E6X/
R900918159 LC100A00D6X/
R900908783 LC100A05E6X/
R900577528 LC100A05E6X/V
R900559553 LC100A05D6X/
R900572880 LC100A10E6X/
R900969643 LC100A10E6X/V
R900947137 LC100A10D6X/
R900551759 LC100A20E6X/
R901160934 LC100A20E6X/V
R900719059 LC100A20D6X/
R900525698 LC100A40E6X/
R900929774 LC100A40E6X/V
R900562672 LC100A40D6X/
R900934081 LC100B00E6X/
R900553674 LC100B05E6X/
R900539872 LC100B05D6X/
R900572882 LC100B10E6X/
R901226950 LC100B10E6X/V
R900732984 LC100B10D6X/
R900903066 LC100B20E6X/
R901107567 LC100B20E6X/V
R900521514 LC100B20D6X/
R901108718 LC100B20D6X/V
R900547814 LC100B40E6X/
R900906790 LC100B40D6X/
R900582427 LC125A00E2X/
R900464233 LC125A05E2X/
R900494344 LC125A10E2X/
R900403630 LC125A20E2X/
R900938578 LC125A20E2X/V
R900564987 LC125A20D2X/
R900410842 LC125A30E2X/
R900442200 LC125A30D2X/
R900534239 LC125B00E2X/
R900464284 LC125B05E2X/
R900582214 LC125B10E2X/
R900336895 LC125B10D2X/
R900464226 LC125B20E2X/
R900469313 LC125B20D2X/
R900350448 LC125B30E2X/
R900969431 LC160A00E2X/
R900786614 LC160A20E2X/
R900524292 LC160A20D2X/
R901159389 LC160A20D2X/V
R900478111 LC160B20E2X/
R900957524 LC160B20D2X/
……
一张一弛，文武之道也。—— 《礼记·杂记》
Bosch Rexroth Hydraulic Valves
博世力士乐液压阀
On/off valves
开/关阀
2-way cartridge valves
二通插装阀
逻辑元件 - 压力阀功能
插装阀 LC...型
型号列举
R900911570 LC16DB00E7X/
R900953987 LC16DB00E7X/V
R900911571 LC16DB00D7X/
R900943287 LC16DB00D7X/V
R900974680 LC16DB00A7X/
R900912531 LC16DB20E7X/
R900932074 LC16DB20E7X/V
R900912546 LC16DB20D7X/
R900972471 LC16DB20D7X/V
R900911414 LC16DB20A7X/
R900951083 LC16DB20A7X/V
R900926012 LC16DB20B7X/
R901113709 LC16DB20B7X/V
R900912532 LC16DB40E7X/
R900934009 LC16DB40E7X/V
R900912547 LC16DB40D7X/
R900942747 LC16DB40D7X/V
R900944673 LC16DB40A7X/
R900975039 LC16DB40A7X/V
R900949934 LC16DB40B7X/
R901190282 LC16DB40B7X/V
R900717926 LC16DB50E7X/
R901221217 LC16DB50E7X/V
R900249563 LC16DB50D7X/
R900911567 LC16DB80E7X/
R900942752 LC16DB80D7X/
R900930559 LC16DB80D7X/V
R901075571 LC16DB80A7X/
R900969502 LC16DB80B7X/
R900911572 LC25DB00E7X/
R900929152 LC25DB00E7X/V
R900911573 LC25DB00D7X/
R900933202 LC25DB00D7X/V
R900946317 LC25DB00A7X/
R900912549 LC25DB20E7X/
R900935962 LC25DB20E7X/V
R900912552 LC25DB20D7X/
R900972938 LC25DB20D7X/V
R900933726 LC25DB20A7X/
R901009890 LC25DB20A7X/V
R900935369 LC25DB20B7X/
R900912550 LC25DB40E7X/
R900928560 LC25DB40E7X/V
R900912555 LC25DB40D7X/
R900966463 LC25DB40D7X/V
R900905304 LC25DB40A7X/
R901181913 LC25DB40A7X/V
R900962521 LC25DB40B7X/
R900975140 LC25DB50E7X/
R900945802 LC25DB50D7X/
R901115211 LC25DB50A7X/
R900933141 LC25DB80E7X/
R901247794 LC25DB80E7X/V
R901014656 LC25DB80D7X/
R900249024 LC25DB80A7X/
R901109359 LC25DB80B7X/
R900932339 LC32DB00E7X/
R900932338 LC32DB00D7X/
R901111937 LC32DB00A7X/
R900912543 LC32DB20E7X/
R900934507 LC32DB20E7X/V
R900912556 LC32DB20D7X/
R900940130 LC32DB20D7X/V
R900933535 LC32DB20A7X/
R901053025 LC32DB20A7X/V
R900967623 LC32DB20B7X/
R900910773 LC32DB40E7X/
R900929931 LC32DB40E7X/V
R900912557 LC32DB40D7X/
R900959460 LC32DB40D7X/V
R900905305 LC32DB40A7X/
R900748804 LC32DB40B7X/
R901004979 LC32DB40B7X/V
R900947666 LC32DB50E7X/
R901145164 LC32DB50E7X/V
R901079561 LC32DB50D7X/V
R901099076 LC32DB50A7X/
R900950272 LC32DB80E7X/
R900979460 LC32DB80E7X/V
R900720775 LC32DB80D7X/
R900947992 LC32DB80A7X/
R900938010 LC40DB00E7X/
R900972501 LC40DB00E7X/V
R900955976 LC40DB00D7X/
R900755752 LC40DB00D7X/V
R900938012 LC40DB20E7X/
R900957978 LC40DB20E7X/V
R900928821 LC40DB20D7X/
R900705728 LC40DB20D7X/V
R900956613 LC40DB20A7X/
R901201685 LC40DB20A7X/V
R900956858 LC40DB20B7X/
R900927969 LC40DB40E7X/
R900956444 LC40DB40E7X/V
R900938014 LC40DB40D7X/
R900958817 LC40DB40D7X/V
R900938013 LC40DB40A7X/
R900950356 LC40DB40B7X/
R900968766 LC40DB80E7X/
R900957493 LC40DB80D7X/
R901087248 LC40DB80D7X/V
R900938036 LC50DB00E7X/
R901092917 LC50DB00D7X/
R901074223 LC50DB00D7X/V
R900938039 LC50DB20E7X/
R900970136 LC50DB20E7X/V
R900938038 LC50DB20D7X/
R901039215 LC50DB20D7X/V
R900938037 LC50DB20A7X/
R901165133 LC50DB20A7X/V
R900977573 LC50DB20B7X/
R900938041 LC50DB40E7X/
R900969688 LC50DB40E7X/V
R900938040 LC50DB40D7X/
R900706552 LC50DB40D7X/V
R900716468 LC50DB40A7X/
R900938043 LC50DB80E7X/
R900712912 LC50DB80D7X/
R900938066 LC63DB00E7X/
R900938068 LC63DB20E7X/
R900730774 LC63DB20E7X/V
R900955777 LC63DB20D7X/
R901090510 LC63DB20D7X/V
R901049773 LC63DB20A7X/
R900961429 LC63DB20B7X/
R900938070 LC63DB40E7X/
R900962519 LC63DB40E7X/V
R900938069 LC63DB40D7X/
R900969069 LC63DB40D7X/V
R900747087 LC63DB40A7X/
R900715325 LC63DB80E7X/
R900978750 LC63DB80E7X/V
R900384628 LC80DB00E6X/
R901008824 LC80DB00D6X/
R901206322 LC80DB00D6X/V
R900379289 LC80DB20E6X/
R900437118 LC80DB20E6X/V
R900385711 LC80DB20D6X/
R900922304 LC80DB20D6X/V
R901095450 LC80DB20A6X/
R900506390 LC80DB40E6X/
R900969691 LC80DB40E6X/V
R900505205 LC80DB40D6X/
R900548067 LC80DB40D6X/V
R901230175 LC80DB40A6X/
R900484984 LC100DB00E6X/
R900478037 LC100DB20E6X/
R900387976 LC100DB20D6X/
R900514424 LC100DB40E6X/
R900523516 LC100DB40D6X/
R901058545 LC100DB40B6X/
……
流水不腐，户枢不蠹，动也。—— 《吕氏春秋·尽数》
Bosch Rexroth Hydraulic Valves
博世力士乐液压阀
On/off valves
开/关阀
2-way cartridge valves
二通插装阀
逻辑元件 - 压力阀功能
插装阀 LC...型
型号列举
R900938331 LC16DR00E7X/
R900928313 LC16DR00E7X/V
R900912559 LC16DR20E7X/
R900734946 LC16DR20E7X/V
R900912560 LC16DR40E7X/
R900946269 LC16DR40E7X/V
R900734958 LC16DR50E7X/
R900927849 LC16DR80E7X/
R900708258 LC16DR80E7X/V
R900928314 LC25DR00E7X/V
R900912558 LC25DR20E7X/
R900912561 LC25DR40E7X/
R901016167 LC25DR40E7X/V
R900928810 LC25DR50E7X/
R900930118 LC25DR80E7X/
R900707124 LC25DR80E7X/V
R900956642 LC32DR00E7X/
R900912562 LC32DR20E7X/
R900619163 LC32DR20E7X/V
R900912563 LC32DR40E7X/
R901008659 LC32DR40E7X/V
R900930347 LC32DR50E7X/
R900927773 LC32DR80E7X/
R900975620 LC40DR00E7X/
R900755747 LC40DR00E7X/V
R900938015 LC40DR20E7X/
R900747869 LC40DR20E7X/V
R900938018 LC40DR40E7X/
R900969737 LC40DR40E7X/V
R900938019 LC40DR80E7X/
R900972468 LC50DR00E7X/
R900938048 LC50DR20E7X/
R901022508 LC50DR20E7X/V
R900938052 LC50DR40E7X/
R900974617 LC50DR40E7X/V
R900938053 LC50DR80E7X/
R900700176 LC50DR80E7X/V
R901027725 LC63DR20E7X/
R900976540 LC63DR20E7X/V
R900938071 LC63DR40E7X/
R900962622 LC63DR40E7X/V
R900938072 LC63DR80E7X/
R900978751 LC63DR80E7X/V
……
卧不安，大抵以清心为切要。—— 清·曹廷栋《老老恒言·安寐》
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