中径 zhōngjìng pitch diameter Definitions Defs Origin Strokes Stroke Words Sentences Sents 中径 中徑 zhōngjìng pitch diameter pitch diameter of a screw thread; the diameter of an imaginary cylinder passing through the thread such that the width of the thread and the width of the groove are equal
中径 中徑 zhōngjìng pitch diameter pitch diameter of a screw thread; the diameter of an imaginary cylinder passing through the thread such that the width of the thread and the width of the groove are equal
