air chimney

基本解释

An air tank and a chimney that was removed to a circumference are left.
机车的周围放在空气筒，烟筒等等。
dict.cn
For example, the central tower will serve as a kind of chimney that keeps air flowing to provide natural ventilation.
例如，塔中心设计成一种烟囱的样式，保证空气流通，用以供给自然通风。
The design of chimney and air current, the gate of fire way, the laying of fire box and adjustment of the flame height, were the key factors of fire way.
烟囱设计、气流控制、火路通口、灶塘铺设及吊火高度，为火路关键技术。

Noting that warm air moved up a chimney (which were another Medieval innovation), larger Medieval kitchens had fans installed in the chimney to automatically turn spits by use of a gearing system.
FORBES: What Are Examples of Things in the "Common Knowledge" about History That Historians Almost Universally Consider Incorrect?
His scheme replaces the chimney with a tornado-like vortex of spinning air, which could extend several kilometres into the atmosphere.
ECONOMIST: Alternative energy: The power of spin The