...开型是指在不通电情况下，执行器控制的调节阀处于开启状态8、电热执行器分为常开型（Normally Open）和常闭型（Normally Closed）9、螺纹连接安装方式,拆卸方便,安装迅速10、断电自动复位功能,断电后阀门可关闭或打开(常闭或常开型)吕梁电热执行器检测证书技术...
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nbs test method 国家标准局测试方法 nc = normally closed 常关的 ncepc = national committee on environmental planning and coordination 国家环境规划和协调委员会 ..
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normally closed contact [电] 常闭触点 ; 动断触点
normally closed solenoid valve 常关式电磁阀 ; 常闭电磁阀
normally closed valve [机] 常闭阀 ; 阀门 ; 当闭触点
normally closed push button switch [电] 常闭按钮开关 ; 常闭铵钮开关
normally closed contactor [电] 常闭接触器
NC Normally Closed 常态封闭 ; 正常关闭位 ; 常闭 ; 通常关闭
normally closed contacts 正常闭路触点 ; 常闭节点
Limit switch, directly actuated, spring returned, normally closed. Right-click for closed or held open.
限制开关，直接启动，弹簧复位，正常情况下为闭合。右击接通或保持断开。
The normally closed contact of the Model 7169A serves to discharge the capacitor after it has been measured.
在测量完成以后，7169A型的常闭接点使电容器放电。
Limit switch, directly actuated, spring returned, normally closed. Switch can be specified as open or closed.
直接启动、弹簧复位、正常闭合的限制开关。可指定开关为断开或闭合。
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