BX7D 单管手推式滑线变阻器 上海徐吉电气有限公司

p1Src=//y1.yzimgs.com/uploads_old/473047/2015110610061513_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/473047/2015110610061583_old.jpg&p3Src=//y1.yzimgs.com/uploads_old/473047/2015110610061622_old.jpg"

aa