对于检测1，建议采用差压表，而不要采用流体压力表，理由在于差压表进行检测的时间最短。
A differential pressure gauge is recommended for test no. 1 rather than a manometer for the following reasons: It utilizes minimum time to perform the test.
远传压力表适用于测量对钢及铜合金不起腐蚀作用的流体，气体和蒸汽的压力。
The remote transmitting pressure meter is applicable to measure pressure of such liquids, gases or vapors that have no erosive attack on steel or copper alloy.
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