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  • ◎ 房屋設(shè)施維保
  • House facility maintenance
  • ◎ 高空管網(wǎng)清潔
  • High alttude pipeline network cleaning
  • ◎ 動力站運(yùn)行維護(hù)
  • Power station operation maintenance
  • ◎ 配電站運(yùn)行維護(hù)
  • Distribution station operation maintenance
  • ◎ 中央空調(diào)運(yùn)行維護(hù)
  • Central air-conditioning operation maintenance
  • ◎ 環(huán)保系統(tǒng)維護(hù)
  • Environmental protection system maintenance