刚体集电器III-3 上海徐吉电气有限公司

p1Src=//y2.yzimgs.com/uploads_old/399897/2015091320032852_old.png&p2Src=//y2.yzimgs.com/uploads_old/399897/2015091320032857_old.png&p3Src=//y2.yzimgs.com/uploads_old/399897/2015091320032863_old.png