支承销 zhīchéngxiāo fulcrum pin Definitions Defs Origin Strokes Stroke Words Sentences Sents 支承销 支承銷 zhīchéngxiāo fulcrum pin fulcrum pin; a pin used as a support or pivot in a mechanical system
支承销 支承銷 zhīchéngxiāo fulcrum pin fulcrum pin; a pin used as a support or pivot in a mechanical system
