breathing air

In breathing the chest muscles expand the rib cage and allow air to be sucked into the lungs.

呼吸时胸部肌肉使胸廓扩大让空气吸入肺部。

Used in various forms of breathing air systems including SCUBA, Breather Boxes and In Plant connections, our quick disconnect couplings provide ease of use and the highest degree of safety.

使用各种形式的空气耦合系统（包括隔离服、呼吸器箱和在工厂中的连接点），我们的快速断开接头使用方便且高度安全。

We were breathing really fast, and using the air up quickly.

当时我们呼吸非常急促，很快就要把空气用完了。

A building befouled with soot; breathing air fouled and darkened with factory soot.

被煤烟弄脏了的大楼；呼吸着被工厂的煤烟弄得又脏又黑的空气。

Breathing air was forced through ducts filled with copper pot scrubbers.

强行让流动的空气通过用铜填充的导管.

Method for sampling and analysing volatile organic compounds in breathing air

呼出气中挥发性有机污染物的采样和分析方法

I stood there breathing in the fresh Norwegian air.

我站在那儿呼吸着挪威新鲜的空气。

Deep-sea divers can suffer nitrogen narcosis from breathing air under high pressure.

深海潜水者会因在高压下呼吸而出现氮麻醉.

Standard on Breathing Air Quality for Fire and Emergency Services Respiratory Protection.

消防救生索及配件系列.

He sucked hard for air to keep breathing.

他拼命吸气以维持呼吸.

Cases of breathing difficulties increase in lockstep with air pollution.

呼吸困难的病例随空气污染的加剧而增加。

Breathing air fouled and darkened with factory soot.

供呼吸用的空气被工厂的煤灰污染得又脏又黑.

And there are also health benefits for babies: Passing through the birth canal helps prepare the lungs for breathing air.

自然生产对宝宝也是有好处的：经过产道生产可以帮助宝宝的肺部为呼吸做好准备。