大多数人想到防毒面具或呼吸器时，脑海中呈现的是一件配有某种过滤罐的、塑料或橡胶材质的密闭面具。
When most people think about gas masks or respirators, what they usually envision is a tight-fitting plastic or rubber face mask with some sort of filter cartridge.
这些防毒面具有不同的尺寸以适合各类猫狗，面具发明人、兽医拉非-凯爽于周二说道。
These will be available in a number of sizes to fit cats and dogs of all varieties, the gas mask inventor, veterinarian Rafi Kishon, said Tuesday.
我见过一些人戴防毒面具，密封完好，施虐方通过控制面具下方的呼吸管来进行游戏。
I've seen people do breath control with gas masks whose rubber edges conform to the face and seal well, regulating the bottom's access to air through the breathing hose.
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