Lower deviation: the difference between the minimum permissible size of a part and its basic size.

下偏差：零件最小极限尺寸减去其基本尺寸所得的差值。

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Lower deviation: the difference between the minimum permissible size of a part and its basic size.

下偏差：零件最小极限尺寸减去其基本尺寸所得的差值。

youdao