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.6 b* B: `5 s, ]/ C4 K Because this is a circle and open to all sides this means the tolerance . s; `* j& k* K1 E* s2 p9 N0 _itself is +-0.3.”公差是0.6吗/