判断数控机床的可靠度主要根据（）来予以判断。A.机床机械效率 B.机床生产率C.机床实际无故障工作概率 D.机床精度

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问题判断数控机床的可靠度主要根据（）来予以判断。 A.机床机械效率 B.机床生产率 C.机床实际无故障工作概率 D.机床精度

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答案 C

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