短語(yǔ)詞組短語(yǔ)tolerance zone of size 尺寸公差帶Tolerance design of plan size 平麪尺寸鏈公差設(shè)計(jì)Hole size tolerance of NPTH 非金屬化孔逕公差Hole size tolerance of PTH 金屬化孔逕公差 返回 tolerance of size