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.& c1 i0 g$ F0 |$ H Because this is a circle and open to all sides this means the tolerance 8 F) w) f' @6 w8 w2 @" sitself is +-0.3.”公差是0.6吗/