Deadweight testers are used to measure the pressure exerted by gas or liquid and can also generate a test pressure for the calibration of numerous pressure instruments.

静重试验器用于测量气体或液体的压力，也可以生成一个众多压力仪器的校准试验压力。

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Divide in measured media deformation under pressure, was sealed by pressure to form a pressure equivalent to the p, conduction to pressure instruments that measured media pressure value.

隔膜在被测介质压力作用下产生变形，密封液被压，形成一个相当于P的压力，传导至压力仪表，显示被测介质压力值。

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Creative ideas not only produce their own instruments of survival as time and circumstances demand, but permit the substitution of new forms for old under the pressure of changed circumstances.

创造性的思想不仅随着时间和环境的需要产生自己的生存工具，而且允许在已变化环境的压力下用新的形式代替旧的形式。

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"The electronic instruments are not built to withstand water pressure at 3, 500 metres, " Mr Faure said.

BBC: Analysis: Salvaging the Prestige

Hurtling towards the stratosphere the balloon was fitted with weather instruments designed to measure, among other things, temperature, pressure and wind speed.

BBC: Giant weather balloon carries out its sky mission