fan ducting
常見例句
- Servicing & Cleaning of Exhaust Kitchen Hood, Fan and Ducting.
清除廚房煙罩， 風(fēng)扇，廚房風(fēng)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(fēng)機(jī)，再通過熱交換器入口進(jìn)入熱交換器。
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