Pressure switch, limit switch or analog transducer.

压力开关、限制开关或模拟传感器。

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This article has made statistic and analyses on many types of flameproof button and switches used in coalmine, such as travel switch, limit switch, pull switch, and so on.

就煤矿井下现用的隔爆按钮以及行程开关、限位开关、打点器、拉线开关、井口开关等进行了统计、分析，针对使用中出现的问题提出了改进措施。

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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