Pressure limit switch circuit is cut off, stop, and then closing, the hook can only decrease.

压下限位开关，切断电路停车，再合闸时，吊钩只能下降。

youdao

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。

youdao

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。

youdao

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.

FORBES: Taxmageddon: Delay In Hitting Debt Limit Could Upset Balance Of Power In D.C.

Still, Mr. Streeter said winning this case "is going to be an uphill climb for H-P, " since California courts typically frown on agreements that limit employees' ability to switch companies.

WSJ: H-P Sues Hurd After Oracle Appointment

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.

ECONOMIST: A survey of E-entertainment