问题
单项选择题
摩擦副表面为液体动压润滑状态，当外载荷不变时，摩擦面间的最小油膜厚度随相对滑动速度的增加而（）
A.变薄
B.增厚
C.不变
答案
参考答案：B
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摩擦副表面为液体动压润滑状态，当外载荷不变时，摩擦面间的最小油膜厚度随相对滑动速度的增加而（）
A.变薄
B.增厚
C.不变
参考答案：B
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(5)
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D．reduce
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