TG4-12KV/128(100X100)套管 TG3-12kv/110*180 套管 TG1-12KV/210(125X125)套管 TG3-12KV/130×210套管 TG3-12KV/140X200套管 TG3-24KV/175X255X218套管 TG3-24KV/175X255X310套管 TG3-40.5KV/260X260X395套管 TG3-40.5KV/220X220X450套管 TG3-40.5KV/290X290X538套管 TG3-40.5KV/260X260X450套管 1