Face workers should wear dust mask.
工人佩戴防尘口罩。
TV, computer, dust mask, many people take for granted.
电视机、电脑上蒙了灰尘，很多人会视而不见。
Yuan said: "I would rather go to Xiang River flows buried in the belly of the fish; security can Haohao of white, and almost dust mask secular?""
屈原道：“宁赴湘流葬于江鱼之腹中；安能以皓皓之白，而蒙世俗之尘埃乎?”
Dust limits the amount of solar radiation that reaches the Earth, for example, a factor that could mask the warming effects of increasing atmospheric carbon dioxide.
灰尘限制了到达地表的太阳辐射数量，举例来说，会减缓因二氧化碳浓度增高而缠身滚的大气温室效应。
If you've got shelves full of old cassettes that have garnered more dust than your first grade spelling bee trophy, it may be time to don the face mask and sift through them.
如果你有获得超过一年级拼字比赛奖杯的灰尘的旧磁带的货架上，它可能是时间戴上面罩，并通过他们筛选。
Concept artist Ralph McQuarrie fashioned the bandaged mask look as a functional answer to desert survival in dust storms.
概念艺术家拉尔夫·麦夸里设计了这些绷带缠绕的面罩，将其作为一种应对沙尘暴中沙漠生存的实用措施。
During applying the paint marked with gas mask, one should wear the mask with adsorption (active carbon as adsorbent) to prevent dust and smoke inhaled by human beings.
使用标有防毒面具标记的油漆时，应佩带具有吸附作用的面罩(一般选用活性炭作为吸附剂)，以便有效地阻止粉尘和漆雾被人体吸入。
Cotton masks, protective glasses and gas mask should be provided for laborers working in conditions of health-harming gas, steam or dust.
在有危害健康的气体，蒸汽或者粉尘的场所操作的工人，工厂应分别供给口罩，防护眼镜和防毒面具。
This paper describes a method for measuring particle size of inhaled aerosol with a phantom of human head wearing dust-proof mask anda cascade impactor.
本文介绍了应用级联撞击器和佩戴口罩的人头模型在天然铀燃料元件加工现场测定吸入气溶胶粒度的方法。
To be cycling in a sandstorm is frightening. The winds are very strong. It's difficult to breathe and the dust makes me ill. So if you want to go out, you'd better wear a mask.
在沙尘暴中骑车是很可怕的，风力非常强，很难呼吸，而且尘土会让我得病，所以如果你想出门，最好带上面罩。
To be cycling in a sandstorm is frightening. The winds are very strong. It's difficult to breathe and the dust makes me ill. So if you want to go out, you'd better wear a mask.
在沙尘暴中骑车是很可怕的，风力非常强，很难呼吸，而且尘土会让我得病，所以如果你想出门，最好带上面罩。
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