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 @/ b! Y& T9 l/ s- \- E- ]Because this is a circle and open to all sides this means the tolerance + m* w0 q) M% O+ W7 E: `itself is +-0.3.”公差是0.6吗/