Any time there is a threat of biological or che mical attack, the first thing you hear about is gas masks.
任何时候，只要有化生威胁，你首先听到的讨论就是防毒面具。
The acids in the food begin to attack and dissolve the metal lining of the can, and one of the by-products of this chemical reaction is hydrogen gas.
食品中的酸性物质开始溶解罐的金属内层，这种化学反应会产生氢气。
The paper presents an experimental study on the back-attack phenomenon in underwater supersonic gas jets.
对水下超声速气体射流的动力学行为进行了实验研究。
Gas Control Coal Mine Safety Research is the main direction of attack, the academia and industry on one of the hot spots.
瓦斯治理是煤矿安全研究的主攻方向，是学术界和工业界的研究热点之一。
Fermentation's carbonic gas gives a very light fizzy aspect, fresh attack and thirst-quenching that then let a good structure and a finish full of fruits and almond.
口感发酵二氧化碳气体带来非常细微的嘶嘶气沫和新鲜触感，酒体结构密实，余韵中富含杏仁瓜果的香味。
Moreover, the effect of real gas for small angle-of-attack case results in small downward force moment, whereas that for large angle-of-attack case results in small upward force moment.
此外，小攻角时真实气体效应产生小低头力矩，而大攻角时产生小抬头力矩。
Moreover, the effect of real gas for small angle-of-attack case results in small downward force moment, whereas that for large angle-of-attack case results in small upward force moment.
此外，小攻角时真实气体效应产生小低头力矩，而大攻角时产生小抬头力矩。
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