Note: the external insulation diameter of the monitoring cores should correspond to that of the dynamic core.

 
  • 注:監視線(xiàn)芯絕緣外徑應與動(dòng)力線(xiàn)芯絕緣外徑相當。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan