客户给的解释是“the tolerance 0.3 describes a position tolerance on a circleline around the center of the rectangular end.5 p7 `& B x5 f; y6 w Because this is a circle and open to all sides this means the tolerance 4 _8 h! K: {* o+ o. u* L4 Vitself is +-0.3.”公差是0.6吗/