浮力驅(qū)動

In the winter of severe cold or cold zones, natural ventilation rates of buoyancy driven flow can meet ventilation requirement basically in underground car park. 在嚴(yán)寒或寒冷地區(qū)的冬季，熱壓作用形成的自然通風(fēng)量較大，基本能滿足地下停車庫的通風(fēng)要求。

Buoyancy driven underwater glider motion simulation 浮力驅(qū)動式水下滑翔機(jī)運(yùn)動仿真

I've never seen a car being driven so recklessly. 我從沒見過有人開車這么鹵莽。

How can I drive away these feelings of sadness? 我該怎樣做才能驅(qū)散憂傷？

Bill wave his hand to us and then drive away. 比爾向我們揮手告別后開車走了。