ZR-YJV22-1KV-3×120+1×700.6/1KV铜芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套阻燃电力电缆3×120(SM)+1×70(RM)电缆近似外径42.4mm3×120(RM)+1×70(RM)电缆近似外径43.7mmRM:规则圆;SM:不规则圆