U/W 型电热管
上海徐吉电气有限公司
p1Src=//y1.yzimgs.com/uploads_old/412602/2015103111204964_old.png&p2Src=//y1.yzimgs.com/uploads_old/412602/2015103111205042_old.png&p3Src=//y1.yzimgs.com/uploads_old/412602/2015103111205112_old.png