limit switch

基本解释

Limit switch, directly actuated, spring returned, normally open. Right-click for open or held closed.
限制開關，直接啓動，彈簧複位，正常情況下爲斷路。右擊斷開或保持閉郃。
Limit switch, directly actuated, spring returned, normally closed. Right-click for closed or held open.
限制開關，直接啓動，彈簧複位，正常情況下爲閉郃。右擊接通或保持斷開。
Limit switch, directly actuated, spring returned, normally closed. Switch can be specified as open or closed.
直接啓動、彈簧複位、正常閉郃的限制開關。可指定開關爲斷開或閉郃。

Just defeated Democrats, who have spent the past year ripping Republicans for irresponsibly holding the debt limit hostage would, of course, switch roles and hold the debt limit hostage.
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The coming switch from analogue to digital would liberate industries that had been constrained by the limit on the number of cable channels that can be bunged down a pipe, or the handful of broadcast channels that can fit into the airwaves allocated to television.
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