Terms for subject Ventilation containing as... as

English	Chinese
The room installed with stoves should have a powerful ventilator	安装灶具的房间必须安装强力换气扇
There are so many kinds of fans, such as axial flow fans, centrifugal fans and high pressure fans	风机的种类繁多，有轴流风机、离心风机，还有高压风机