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单选题
An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.
A
aeration of the oil
B
contamination of the oil
C
pump cavitation
D
spongy actuator movements
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单选题An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of （）.A
aeration of the oilB
contamination of the oilC
pump cavitationD
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a hydraulic accumulatorD
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