山西200平方硬铜绞线生产厂家哪家***执行标准TB/T3111-2005技术参数：型号载面积mm2计算外径mm结构单丝直径mm单丝绞线(计算值)标称计算抗拉强度MPa不小于伸长率％不小于拉断力Kn不小于20℃直流电阻不小于Ω/km单位质量kg/km绞前绞后JT165.101×71.701.14143JT256.361×72.120.733222JT357.501×72.500.527309JT509.001×73.000.366445JT7065.8110.51×192.104394170.727.450.275599JT9593.2712.51×192.504354130.838.540.194849JT120116.99141×192.804324100.948.010.1551065JT150148.0715.81×193.154284071.060.210.1221347JT150147.1115.81×372.254384160.861.210.1231342JT18517.501×372.500.09951650JT24019.951×372.850.07662145JT30022.051×373.150.06272620JT40019.951×612.850.04653510联系人：梁先生电话：13939070673QQ：1440195867官网：/)