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- Abstract: In recent years, exhausted gas contamination of vehicle becomes the main factor for air pollution in cities. 文摘:目前，汽车排气污染已成为城市空气污染的主要因素。
- In this research, methods of parameters and gas contamination dynamics determination are studied. 本文对参数和气体污染动力学的测定方法进行了研究。
- Vent discharges CO2 gas to atmosphere in the event of fouling or malfunction of check No. 2 thereby safeguarding the potable water system from CO2 gas contamination. 万一止回阀2号出现污染或故障，排气口将二氧化碳气体排放到大气中，从而保护饮用水系统不会受到二氧化碳气体的污染。
- Vent discharges C02 gas to atmosphere in the event of fouling or malfunction of check No. 2 thereby safeguarding the potable water system from CO2 gas contamination. 万一第二止回阀被污染或出现故障，排气口将C02气体排放到大气中，从而保护饮用水不会受到C02气体的污染。
- In the event of fouling of downstream check valve, leakage of CO2 gas would be vented to atmosphere through the vent port thereby safeguarding the potable water system from CO2 gas contamination. 万一下游止回阀受到污染，则泄漏的CO2气体将通过排气口排放到大气中，因此保护饮用水系统不会受到CO2气体的污染。
- I'll refill my cigarette lighter with gas. 我将给打火机再灌满汽油。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- We are well served with gas in this town. 这个城镇煤气供应得很好。
- He cooks his meal with a gas stove. 他用煤气炉做饭。
- Don't forget to drop by at the gas station. 别忘了到煤气站去看看。
- I was given gas when they pulled my tooth out. 给我拔牙时用了一氧化二氮。
- His long speech was nothing but gas and hot air. 他的长篇大论只是吹牛和空话。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- A whole tankful of gas dropped away because of the tiny leak. 由于这个小小的漏洞，整整一油箱的汽油都漏光了。
- We finally drove up to a gas station. 我们最后驶近一加油站。
- Frank rented out his gas station. 弗兰克把他的加油站租了出去。
- Quick, turn off the gas;the milk will boil over. 快把煤气关掉，牛奶要溢了。
- The gas is stored under pressure in the tank. 该气体在压缩状态下贮存于罐中。
- Matter can exist as a solid, liquid, or gas. 物体存在的形态有固体，液体，气体。
- The police fired about50 tear gas grenades. 警察发射了约50枚催泪弹。
