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- gas contraction detection 瓦斯浓度检测
- Whether an entire galaxy becomes a disk is a timing issue: spiral galaxies emerge from gas that becomes rotationally supported before patches of the gas contract into stars. 至于整个星系变成一个圆盘则是时机问题：螺旋星系的出现，是因为在每一小团气体因收缩而形成恒星前，整团气体已经成为旋转性支撑。
- China has greedily scooped up oil and gas contracts that others have declined. 中国一直不断地聚敛他人已经拒绝的石油和天然气合同。
- The giant pillars are light years in length and are so dense that interior gas contracts gravitationally to form stars. 这些巨大的气柱长度达数光年，密度异常大，内部的气体经过引力收缩后能形成恒星。
- On the other hand,liquified matural gas contracts to one six-hundredth of its original volume. This can be easily transported by sea in ships. 另一方面，液化天然气可缩小到它原有体积的1/600。这样就可以很容易用海船运输。
- On the other hand, liquified matural gas contracts to one six-hundredth of its original volume. This can be easily transported by sea in ships. 另一方面，液化天然气可缩小到它原有体积的1/600。这样就可以很容易用海船运输。
- Prime Minister Putin has made his own appeals to Europe through Alexei Miller, ordering the Gazprom chairman to show Russia's gas contracts with Ukraine to EU officials in Brussels. 俄罗斯总理普京通过俄罗斯天然气公司的董事长米勒向欧洲发出了他自己的呼吁，并且要求米勒向布鲁塞尔的欧盟官员出示俄罗斯同乌克兰签署的天然气合同。
- 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。
- Analysis of ventricular premature contraction detected by electrocardiogram 室性期前收缩心电图分析
- 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。
