5M同步帶5M120,5M175,5M180,5M20... 上海赤豐機電設備有限公司

p1Src=//y2.yzimgs.com/uploads_old/465785/2014120721194215_old.jpg&p2Src=//y2.yzimgs.com/uploads_old/465785/2014120721194226_old.jpg"

aa