fan ducting

常見例句

雙語例句

• Servicing & Cleaning of Exhaust Kitchen Hood, Fan and Ducting.
  清除廚房煙罩， 風扇，廚房風喉的油跡。
  www.hongpo.com.sg
• From the concrete ducting the hot dirty flue gas enters the booster fan and then passes the inlet of the GGH.
  從混凝土煙道來的熱臟煙氣通過升壓風機，再通過熱交換器入口進入熱交換器。
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