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。

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Normally Open pilot assisted valves operate on a similar principle but with opposite effects from the pressure variations.

常开阀运行试验的协助一项类似的原则，但与来自压力变化相反的效果。

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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。

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That means they can hitch-hike around in ways that would not normally be open to them because of their fragility.

ECONOMIST: Foulpox

Haskell, normally a blind-side flanker, replaces Moody on the open-side, while Wood comes in for Tom Croft and Deacon replaces Courtney Lawes.

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The game was open to the public - the Summer League is normally exclusively only for NBA personnel and the media - drawing a crowd of 15, 123 fans.

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