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在轴和孔间隙配合时，（)。A．间隙可以为零B．间隙必须大于零C．间隙可以小于零D．间隙和过盈随意

在轴和孔间隙配合时，()。

A．间隙可以为零

B．间隙必须大于零

C．间隙可以小于零

D．间隙和过盈随意

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