This gas mask can immunize you against poison gas.
防毒面具能使你免遭毒气袭击。
The gas mask is characterized in that the gas mask can cover and seal the head and face of an operator without affecting normal operation, so that the operator can not be eroded by harmful substance.
该面罩的特点是能罩住并闭封操作者头部、面部，而且不影响正常操作，使操作者不会受到有害物质的任何侵蚀。
Impossibly, he clearly took an anti-virus mask, basically can filter the poisonous gas of overwhelming majority.
不可能，他明明带着防毒面具了，基本上能够过滤掉绝大部分的毒气。
Experimental results show that higher selectivity can be achieved when fluorine-based gas is used as processing gas and Al or Al alloys are introduced as mask layers.
实验发现，以氟基气体作为工艺气体，铝或铝合金作为掩蔽层时，可以获得极高的选择比；
MF27 Full-Eyepiece Gas Mask is a kind of monocular vision filtering protective device, which can protect the personal respiratory organs.
MF27型全眼窗防毒面具是一种过滤式单眼窗个人呼吸器官防护器材。
MF27 Full-Eyepiece Gas Mask is a kind of monocular vision filtering protective device, which can protect the personal respiratory organs.
MF27型全眼窗防毒面具是一种过滤式单眼窗个人呼吸器官防护器材。
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