拆去空气净化器外壳。
Replace engine air cleaner element.
更换引擎空气清洁器组件。
First, it can make our air cleaner.
首先，它能让空气更清洁。
Trees can also make the air cleaner.
树木还能够净化空气。
When you cannot put an air cleaner in each room.
当你不能把一个空气净化器在每个房间。
Fit air cleaner housing cover and filter element.
安装空气滤清器壳罩和滤芯。
Streets will be less congested, the air cleaner, and rent lower.
街道将不再那么拥挤；空气会更清新；房租会更便宜。
Conclusion electronic air cleaner is an effective air cleaner device.
结论电子空气净化机是一种有效的空气净化设备。
The method can achieve an air cleaner with automatic cleaning and dust collection.
利用上述方法，实现了自动清洗集尘的空气洁净器。
Air quality information-sampling is very important to manage and control air cleaner.
空气质量采集对空气清新器的管理和控制起着关键的作用。
But the cleaner air has come at a cost.
但是这更清洁的空气也是有代价的。
Other benefits include more energy security and cleaner air.
其他的益处包括更多的能源安全和更清洁的空气。
No, the surprise is this: Beijing's air is actually getting cleaner.
但是，事实上，北京的空气质量正变得清澈起来。这让人感觉惊讶。
Our air would be a lot cleaner.
我们的空气将更干净许多。
It means that we can enjoy cleaner air.
那也就是说人们能享受更干净的空气了。
And the air would be cleaner because people would drive less.
空气可能会更干净，因为人们开车更少了。
America's air and water and lands are measurably cleaner.
美国的空气、水源以及土地比以前更加清洁。
The air here is getting cleaner and cleaner.
这里的空气变得越来越干净。
The air in Beijing is getting much cleaner now than a few years ago.
现在北京的空气比几年前变得干净多了。
Please remember there is cleaner, cooler air near the floor during the fire.
请记得有清洁、凉爽的空气在大火中，在地板上的。
The end result is a cleaner building surrounded by cleaner air.
结果就是建筑物和周围空气都更清洁似乎混有亚洲血统。
The air in the forest is purer and cleaner than that in the city.
森林的空气比城市里的空气洁净。
So the air is more fresh and the sky is cleaner than before.
所以上海的天比以前更蓝了，空气也更新鲜了。
They can improve our school environment and make the air much cleaner.
它们不但能改善我们的校园环境而且能使空气变得更加清新。
They can improve our school environment and make the air much cleaner.
它们不但能改善我们的校园环境而且能使空气变得更加清新。
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