Cavitation erosion in the cooling water system of a diesel engine usually occurs at the pump impeller, and on the waterside of the （）<br>A:fuel nozzle holders<br>B:exhaust value guides<br>C:engine cylinder liners<br>D:low temperature and a low viscosity

Cavitation erosion in the cooling water system of a diesel engine usually occurs at the pump impeller, and on the waterside of the （）
A:fuel nozzle holders
B:exhaust value guides
C:engine cylinder liners
D:low temperature and a low viscosity

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