单项选择题X 纠错
A.readjust the relief valve
B.throttle the suction line
C.throttle the discharge valve
D.open the priming line
你可能喜欢
单项选择题
A.transmitter at the steering station and a receiver at the steering engine
B.reversible motor at the steering station geared to the steering pumps
C.small induction motor on the bridge which controls the redder through pulleys
D.variable displacement hydraulic pump driven by a reversible DC motor
单项选择题
A.Distiller air ejector cooling medium
B.Saltwater heater discharge
C.First-stage internal feed box
D.Second-stage internal feed box
单项选择题
A.condenser
B.vapor generator
C.accumulator
D.evaporator
单项选择题
A.expansion valve to the compressor
B.receiver to the expansion coil
C.expansion valve to the evaporator
D.condenser to the expansion valve
单项选择题
A.leaking unloader
B.tripped circuit breaker
C.control line leak
D.defective pop valve