QJ57 直流电阻电桥 QJ57 上海徐吉电气有限公司

p1Src=//y1.yzimgs.com/uploads_old/176220/2013032720454668_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/176220/2013032720454668_old_1.jpg&p3Src=//y1.yzimgs.com/uploads_old/176220/2013032720454668_old_2.jpg"