A、higher
B、lower
C、low
D、high
更多“The pressure of pilot air is usually （） than that of starting air.”相关的问题
A、compression ratio of the engine B、volume of the engine C、relationships between pressure and volume during one stroke of the engine D、relationships between pressure and volume during one cycle of the engine
A、daily lapse reading B、diurnal variation of pressure C、pressure tendency D、synoptic pressure
A、5 times the maximum working pressure on the hose during cargo transfer B、one half the designed working pressure C、4 times the pressure of the cargo pump used for transferring D、5 times the minimum working pressure on the hose during cargo transfer
A、directly from high pressure toward low pressure B、directly from low pressure toward high pressure C、from high pressure toward low pressure deflected by the earth's rotation D、from low pressure toward high pressure deflected by the earth's rotation
A、A.causing moisture to accumulate against the bulkhead B、B.lowering the vapor pressure of the commodity C、C.lowering the dew point of the air D、D.raising the vapor pressure of the commodity
A、A.causing moisture to accumulate against bulkhead B、B.lowering the vapor pressure of the commodity C、C.lowering the dew point of the air D、D.raising the vapor pressure of the commodity
A、effective cylinder scavenging and cooling B、constant pressure from the turbochargers C、cooler operation of the exhaust system D、effective constant pressure for turbocharger operation
A、maintain liquid refrigerant at the suction of the compressor B、maintain a preset suction pressure to the compressor C、start and stop the compressor at preset operating pressures D、operate at minimum efficiency
A、Pressure-reducing valve B、Unloading valve C、Counterbalance valve D、Pressure-relief valve
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