fan ducting
常见例句
- Servicing & Cleaning of Exhaust Kitchen Hood, Fan and Ducting.
清除廚房菸罩， 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.
從混凝土菸道來的熱髒菸氣通過陞壓風機，再通過熱交換器入口進入熱交換器。
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