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. 2 i& K5 |5 S& [% U3 p- }' w) dBecause this is a circle and open to all sides this means the tolerance! @2 x' `' Y& T) }8 Z itself is +-0.3.”公差是0.6吗/