pipe utilities 中文意思是什麼

pipe utilities 解釋
管道設施
  • pipe : n 1 管，導管，筒。2 煙斗，煙袋；一袋煙。3 〈古語〉笛，管樂器；【航海】（水手長的）哨子（聲）；〈p...
  • utilities : 城市管理服務行業
  1. Several researchers reported that chironomid larvae is difficult to inactivate using free chlorine at concentrations commonly used in drinking water utilities. in addition, the 1st instar larvae can easily penetrate sand filter and then goes into waterworks reservoir and municipal service pipe due to its motility

    1齡搖蚊幼蟲具有較強的游動性，可以穿透濾池進入到清水池中，由於常規的水處理消毒工藝對其難以有效地滅活，在我國一些大中城市的管網水中都曾發現過搖蚊幼蟲。
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