Read Edit View history 中径 zhōngjìng pitch diameter Origin Definitions Defs 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