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[主观题]
Differential pressures can be measured with the use of a _____.A.diaphragm type gageB.pres
Differential pressures can be measured with the use of a _____.
A.diaphragm type gage
B.pressure transducer
C.manometer
D.All of the above
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Differential pressures can be measured with the use of a _____.
A.diaphragm type gage
B.pressure transducer
C.manometer
D.All of the above
第1题
A.deflection
B.discrepancy
C.error
D.tolerance
第2题
A.change the expansion valve adjustment
B.readjust the water regulating valve to increase the flow of water
C.purge air from the condenser
D.clean the waterside of the condenser
第3题
A.gravity
B.motion
C.ratio
D.density
第4题
A.are made of
B.are made from
C.make use of
D.are used to
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