ADSS cable which is installed with electric power transmission line is quite different from the traditional aerial cable for its feature of variable span.

 
  • 與輸電線(xiàn)路同桿架設的ADSS光纜同傳統意義上的架空光纜完全不同。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan