通风

Coal Mine,the transformation reasoms and plan of the central air shaft are analyzed.

文章依据刘桥一矿采掘接替，分析了刘桥一矿中央风井改造的原因、改造方案，以及中央风井改造后的通风系统优化。

I didn't even hear any planes except a couple of westbound commercial airliners that habitually use this air shaft to fly over.

我甚至都没听到有飞机飞过，除了几架向西飞行的商务客机习惯性地从这个通风井上掠过。

Crack house on an air shaft.

那是在通风井上的破房子

According to Jin, the arrangement of the return air shaft can be divided into a central type, right angle type and mixed -type ventilation system.

根据进、回风井的布置形式可分为中央式、对角式和混合式通风系统。

Air tube clutch can be divided into common type and ventilation type two types according to the construction forms.

胎式离合器依据其结构形式的不用可分为普通型与通风型两种。

To make matters worse, the actual casing with all the little air vent holes amplifies the noise.

更糟糕的是，与所有的小空调通风孔实际套管的噪声放大。

That must be a very different view when he stands over an air vent.

喔哦。当他站在通风孔上必定是另一番景象。

I am only smoking in winding well air.

我只在通风条件好的地方吸烟。

The term also refers to metal blade s covering the intake and exhaust outlets of ventilation and air-conditioning units.

现代通风和空调设备的进气和排气口上盖的金属叶片也称百页。

The term also refers to metal blades covering the intake and exhaust outlet s of ventilation and air-conditioning units.

现代通风和空调设备的进气和排气口上盖的金属叶片也称百页。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。