圆弧齿同步带S14M2380|S14M2450|... 上海赤丰机电设备有限公司

p1Src=//y2.yzimgs.com/uploads_old/465785/2014120621254602_old.jpg&p2Src=//y2.yzimgs.com/uploads_old/465785/2014120620460139_old.jpg"

aa