阻燃护套软线:ZRRVVB2*0.5 ZRRVVB2*0.75 ZRRVVB2*1 ZRRVVB2*1.5 ZRRVVB2*2.5 ZRRVVB2*4 ZRRVVB2*6 ZRRVV3*0.5 ZRRVV3*0.75 ZRRVV3*1 ZRRVV3*1.5 ZRRVV3*2.5 ZRRVV3*4 ZRRVV3*6 ZRRVV4*0.5
扩展回答
铜芯电缆型号是怎样表示的?