normally closed

The PV 20 CB is a normally closed, diaphragm actuated, spring loaded, direct acting regulator.

PV20CB是一种通常处于关闭状态, 隔膜驱动, 弹簧负载, 直接作用的调节阀.

Drag onto the page. Right-click to make non-adjustable or normally closed.

拖到绘图页上. 右击可以成为不可调整的或通常闭合的.

Normally Closed Contacts . A contact pair that is closed when the relay is not energized.

常闭触点在继电器未受激励时保持闭合的触点对.

The Serbian labour ministry imposed a stoppage on outdoor work during the hottest hours of the day as the temperatures reached a record 43 ° C. Many vendors closed shop, and normally bustling downtown streets in Belgrade appeared nearly deserted.

在塞尔维亚，劳工部门下达了户外工作禁令，禁止在白天最热的时间段进行户外工作，当地气温打破了历史纪录，达到43度。很多商家因此关门，平日熙熙攘攘的贝尔格莱德市中心几近荒芜。

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.

Break contact ( normally closed) with time delay.

具有时延作用的断开（正常情况下为闭合）触点。

LimIt'switch, directly actuated, spring returned, normally open. Switch can be specified as open or closed.

限制开关, 直接启动, 弹簧复位, 正常情况下为断路. 可指定开关为断开或接通.

Normally closed to avoid undesired motion.

常闭,以避免不需要的议案.

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.

Electrothermal head normally closed with switch contact ( 4 wires ).

热电阀,通常带有开关触头 ( 4根电缆 ).

Transmission standard: normally closed, normally open and pneumatic.

驱动装置标准: 常闭型 、 常开型、及气动型.

LimIt'switch, directly actuated, spring returned, normally open. Right-click for open or held closed.

限制开关, 直接启动, 弹簧复位, 正常情况下为断路. 右击断开或保持闭合.

Proximity limIt'switch, directly actuated, spring returned, normally closed. Right-click for closed or held open.

直接启动 、 弹簧复位 、 正常闭合的邻近限制开关.右击接通或保持断开.