1.
What happens when they poison the water and you don't have a gas mask?
要是他们要在水里下毒 你没有防毒面罩怎么办?
2.
half-mask respirator
半面罩式呼吸防护器
3.
single-use dust mask
只用一次的防尘面罩
4.
a protective covering over a mattress to protect it.
套在褥子外面用来保护褥子的防护罩。
5.
a mask to protect the face from cold while skiing.
滑雪时戴在脸上防寒的面罩。
6.
Training on proper use and limitations, including practice putting the respirator on and wearing it is required.
通过培训了解如何正确使用防毒口罩并认识其限制性，练习按照要求正确佩戴防毒口罩。
7.
Discussion about Technology and Application of Smoke Masks Intended for Forest Fire Fighters
森林消防人员防烟面罩技术探讨及应用
8.
It's an anti-pollution facemask for cyclists. It's impregnated with activated carbon.
自行车骑手用的防污染面罩，里面装着活性碳。
9.
Safety requirement: Hardhats, Safety Glasses, Dust Mask, Face Shield, Ear Muff, and etc.
必须佩戴下列个人防护用品：安全帽、安全眼镜、面罩、防尘面罩、护耳器等.
10.
Don't worry, my friends are down there.They'll have that shield down on time...
别担心，我的朋友在下面，他会即时摧毁防护罩的...
11.
chemical cartridge respirator
化学作用式防毒面具
12.
"His tobacco stinks," said Hung-chien, "and now with three mouths puffing away at once, it's really unbearable.I should have worn a face mask.
鸿渐道：“他的烟味难闻，现在三整跟同时抽，真受不了，得戴防毒口罩。
13.
a mask with a filter protects the face an lungs against poisonous gases.
保护面部和肺部免受有毒气体伤害的一种带过滤器的面罩。
14.
A person wearing a mask.
带面具（面罩）的人
15.
This gas mask can immunize you against poison gas
防毒面具能使你免遭毒气袭击。
16.
She raised / lowered her veil.
她撩起[放下]面罩.
17.
Personal Protective Equipment such as eyewear, ear-plugs and face masks should be made available to employees when applicable.
当情况需要时,需提供个人防护设备如:眼罩,耳塞,面具等.
18.
A protective covering for the face or head.
罩，防护罩用于脸或头的保护性覆盖物