问题
单项选择题
齿轮滑油泵吸入压力过低时发生“气穴现象”一般是由于()。
A.油液汽化
B.油中水分汽化
C.溶于油中空气逸出
D.A或B或C
答案
参考答案:C
齿轮滑油泵吸入压力过低时发生“气穴现象”一般是由于()。
A.油液汽化
B.油中水分汽化
C.溶于油中空气逸出
D.A或B或C
参考答案:C
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