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单选题
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be ().
A
a low load on the unit
B
a clogged pump suction strainer
C
a blockage in the line between the pump and hydraulic motor
D
the hydraulic motor turning too fast
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a low load on the unitB
a clogged pump suction strainerC
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the hydraulic motor turning too fast
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