Clean air

The filtration system provides the crew with clean air free from fumes .

过滤系统使得全体人员能够呼吸到没有烟雾的清新空气。

No American should have to drive out of town to breathe clean air

所有美国人都不必开车到城外去呼吸洁净的空气。

B : Maybe , but I can enjoy the beautiful sights and the clean air .

B：也许吧,但我可以欣赏美丽的景色和清新的空气。

B : It was fine . I enjoyed the clean air and sunshine.They are the best things in life .

B：很好。我喜欢干净的空气和阳光。它们是生活中最好的东西。

In smoggy weather , the machine would breathe in the air in front of the bike and blow out a stream of clean air toward the biker 's face .

在烟雾弥漫的天气里,机器会吸入自行车前面的空气,并向摩托车手的脸吹出一股清洁的空气。

These chemical pollutants are currently not a criteria air pollutant , as defined by the U.S. Clean Air Act .

这些化学污染物据美国清洁空气法案定义，目前还不在空气污染物的标准中。

These tours are advertised as lung-clearing tours where people from smog-hit regions can feed their lungs with more clean air . For example :

这些旅游线路在宣传中被称为“洗肺游”，受雾霾困扰地区的游客到了这些地方可以吸入更多干净的空气。

In 1989 , NASA conducted its famous Clean Air Study to see whether common houseplants might purify indoor air by removing toxins1 in addition to absorbing carbon dioxide and releasing oxygen .

1989年，美国国家航空航天局进行了著名的清洁空气研究，以观察普通室内植物除了吸收二氧化碳和释放氧气之外，是否还能通过排除毒素来净化室内空气。当时的研究证明这种方法起到了作用。

Scientists at the Pacific Northwest Nationallab said they believe the rain may have carried volcanic ash from an erupting volcano in Japan , while Benton Clean Air said its staffers believe dust from central Oregon was the culprit .

西北太平洋国家实验室的科学家们称，他们认为“牛奶雨”可能来自日本一座火山喷发出的火山灰。本顿清洁空气机构则表示，他们的科学家认为，俄勒冈州中部地区的灰尘是罪魁祸首。

Officials at both the Pacific Northwest National Laboratory and the Benton Clean Air Agency , both in Washington state , said they had collected samples of the rain , which left a powdery residue on cars across a wide swath of two states .

位于华盛顿州的美国西北太平洋国家实验室和本顿清洁空气机构的官员称，已采集了“牛奶雨”的样本。这种雨水给两个州很多地区的汽车上蒙上一层粉末状残留物。

US Environmental Management System : an Example about the Clean Air Act

以《清洁空气法》为例简析美国环境管理体系

Discussion on the design of clean air system in operation room of hospital

关于医院手术室净化空调设计方法的研讨

Some Research Development of the Laboratory Animal Room Clean Air Conditioning System

实验动物房洁净空调系统研究进展综述

The Study on Clean Air Supply Unit for Operating Room

手术室局部洁净送风单元的研制

Application of Electrostatic Filter in Hospital Clean Air - Conditioning System

静电净化装置在医院洁净空调系统中的应用

Observational study of black carbon in clean air area of Western China

中国西部大气清洁地区黑碳气溶胶的观测研究

Design of clean air conditioning for A type special material production plant ;

从实际运行调试过程中总结一些洁净空调设计应注意的问题。

Clean air conditioning design of a blood products factory building

某血液制品厂房净化空调设计

Observation and analysis of SO 2 and no 2 in clean air of Western China

我国西部清洁大气中SO2和NO2的观测和分析

Finally , it 's important to protect the environment and have clean air .

最后，保护环境、拥有清新的空气十分重要。

But the Clean Air Act was a primary cause .

但《清洁空气法》的确是主要原因。

Application of Dedicated Outdoor Air System in Clean Air Conditioning for Hospital

独立新风系统在医院洁净空调的应用

Clean air , clean water and rich forest and wildlife .

干净的水，丰富的森林资源以及野生动植物。

I live in a place with clean air .

我住在一个清新空气的地方。

Contemplation and suggestion on problems existing in design of clean air conditioning system

净化空调系统设计中存在问题的思考及建议

Not all of these benefits came from Clean Air Act regulations .

实现这些改变不能仅仅归功于《清洁空气法》的实施。

Take action , have your say , claim your right to clean air .

行动起来，争取呼吸清洁空气的权利。

Back to your roots , clean air , wide open spaces !

回到老家清新的空气广阔的天地

Now , more and more people are realizing the importance of clean air .

现在越来越多的人意识到净化空气的重要性。

People and animals need clean air to breathe .

人和动物都需要清洁的空气来呼吸。