圓弧齒同步帶H14M1778|H14M1890|... 上海赤豐機電設備有限公司

p1Src=//y3.yzimgs.com/uploads_old/465785/2014120621254602_old.jpg&p2Src=//y3.yzimgs.com/uploads_old/465785/2014120620460139_old.jpg"

aa