浮力驱动
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. 在严寒或寒冷地区的冬季，热压作用形成的自然通风量较大，基本能满足地下停车库的通风要求。
Buoyancy driven underwater glider motion simulation 浮力驱动式水下滑翔机运动仿真
I've never seen a car being driven so recklessly. 我从没见过有人开车这么卤莽。
How can I drive away these feelings of sadness? 我该怎样做才能驱散忧伤？
Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
