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由于某些原因,压力仪表不能直接与测量介质接触,加上压力测量头后可将被测介质的压力传输到压力表上。它也可以与压力变送
For some reason, the pressure gauge can not be directly in contact with the measuring medium, plus the pressure measuring head can be measured media pressure transmitted to the pressure gauge. It can also be transmitted with pressure