extract fan造句
例句与造句
- Analyses the key issues in selecting air - cooled water chillers , adopting fan coil unit and diffuser to supply air and designing of smoke extract fans
摘要分析了风冷冷水机组选型、用风机盘管接散流器送风、排烟风机控制设计应注意的问题。 - It's difficult to find extract fan in a sentence. 用extract fan造句挺难的