短語詞組短語tooth h thickness micrometer 齒厚千分尺tooth ridge thickness 齒厚gear tooth -thickness deviation 齒厚偏差chordal tooth thickness [機(jī)]弦齒厚;弦齒厚tooth thickness of wormwheel 蝸輪齒厚Tooth Thickness Normal 法曏齒厚arc tooth thickness 弧齒厚bottom tooth thickness 齒根截麪厚tooth thickness deviation limits 齒厚極限偏差 返回 tooth thickness