单管滑线滑动变阻器 BX7 上海康登电气科技有限公司

p1Src=//y3.yzimgs.com/uploads/507859/2017214-171826601.png&p2Src=//y2.yzimgs.com/uploads/507859/2017214-171831665.png&p3Src=//y1.yzimgs.com/uploads/507859/2017214-171836104.png