弹性式压力表是利用弹性元件在被测介质压力作用下，产生弹性形变的原理而制成的。
Elastic pressure meter is made in accordance with the principle that elastic deformation caused by pressure of tested medium.
首先，介绍了机械式电开关作为机电元件在电气连接中的重要作用。
Firstly, here we have an introduction of important role of mechanical-type electric switch as a mechanical and electrical components in electrical connection.
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