suction draught

例句：

1. 1. The suction draughtfrom the fan is strong enough to blowaway dust.
   风扇产生的抽吸风力足够强，可以把灰尘吹走。
2. 2. The airconditioner has a high suction draught, which helps to cool down the roomquickly.
   空调的抽吸风量大，有助于快速降温房间。
3. 3. The suction draughtof the vacuum cleaner is powerful enough toclean up even the toughest dirt.
   吸尘器的抽吸风力强劲，能够清理掉最顽固的污垢。