RVVP26-27-28-29-30-31×0.5,0.75,1.0,1.5,2.5,4,6屏蔽线（屏蔽电缆） RVVP26-27-28-29-30-31×0.5,0.75,1.0,1.5,2.5,4,6屏 MKVV|天津市电缆总厂第一分厂