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.* V T2 F( V# q6 u0 o. @5 s$ b# O Because this is a circle and open to all sides this means the tolerance3 s8 p3 \" t- p4 S& K itself is +-0.3.”公差是0.6吗/