消防电话电缆ZR-HYA-50x2x0.5是什... 廊坊畅朗迪线缆有限公司

p1Src=//y3.yzimgs.com/uploads/326790/20181113-122019856.jpg?watermark/2/text/SFlBfOW4guivneeUtee8hi_lpKnmtKXluILnlLXnvIbmgLvljoLnrKzkuIDliIbljoI=/font/5a6L5L2T/fontsize/700/fill/I0E3QTlBOA==/gravity/SouthEast"

aa