短語詞組短語ejector leader pin 推板導柱ejector guide pin 頂出導梢;中托邊;推板導柱;頂出板導銷ejector return pin 復位桿Ejector Block Pin 頂塊頂桿ejector r pin 頂出梢Ejector guide pin bushing 頂出導柱套筒Ejector sleeve pin 司筒針precision ejector leader pin 精密級推板導柱ejector retaining pin 拋殼挺固定銷 返回 ejector pin