forced draft fan的用法和樣例：
例句
- The finite element modal analysis of fan axis is discussed.
對某鼓風(fēng)機軸有限元模型進(jìn)行了模態(tài)分析。 - In an emergency a tightly tied woman's stocking can do duty for a car's fan belt so that you can drive it to a garage.
出現緊急情況時(shí)，把女子長(cháng)襪系緊后可以充作汽車(chē)鼓風(fēng)機皮帶，這樣就可以將汽車(chē)開(kāi)到汽車(chē)修理廠(chǎng)去。
