单芯线 SK71 LiYv&SK72 H05V-K&SK73 H07V-K 用于控制柜的PVC单芯线,适用于多种应用场合SK74 FLEXI SC UL 1015 UL认证单芯线,镀锡铜丝绞合导体SK75 H05/07Z-K 无卤型单芯线,用于保护人身、环境和财产SK76 PUR single core PUR单芯线,耐低温