minor diameter

常用短語

minor diameter of thread螺紋內徑；羅紋內徑

minor diameter of screw螺紋小徑；螺栓小徑

inner minor diameter內小徑

thread minor diameter螺紋底徑

Minor Diameter Internal內花鍵小徑

Minor Diameter External外花鍵小徑

minor-diameter小直徑

minor diameter bar小直徑鉆桿

minor diameter tube小直徑管