弱电电缆SYV-75-5SYDLY-75-9SYDLY-75-12SYDLY-75-14HAY-10*2*0.5HAY-20*2*0.5HAY-50*2*0.5HAY-80*2*0.5HAY-100*2*0.5HAY-150*2*0.5HAY-200*2*0.5HAY-300*2*0.5HAY-400*2*0.5HAY-1000*2*0.5非屏蔽五类线RVS 2*1.0RVS 2*1.5KVV 7*1.0根数000000000000000000截面积4111117721979133227300380491706.510171320380022303695总截面000000000000000000
