1. We endeavour to avoid the old, romantic idea of a gusher, which wastes oil and gas. 我们力图避免那种有关喷油井的陈旧的, 不切实际的计划, 这种计划浪费油和天然气.
2. We endeavour to avoid the old, romantic idea of a gusher, which wastes oil and gas. 我们尽量避免使用陈旧天真的喷井方法,那样会浪费石油和天然气。
3. While natural gas use increases, use of coal as fuel is decreasing. 随着天然气利用量的增长,煤炭作为燃料的使用量正在减少。
4. The exhaustion of gas from a bus polluted the air. 从公共汽车排出的气体会污染环境。
5. Natural gas, an outstanding energy fuel, can be used to heat homes, make electricity, and power cars. 天然气这种优良的能量燃料可以用于家庭取暖、发电和驱动汽车。
6. Have the proper tools to turn off gas and water lines if necessary. 有必要的话,准备一些能关闭煤气和自来水管道的特制工具。
7. Arrange an auxiliary cooking and heating source that can be used outside. One alternative is a portable camp stove with small cans of gas. 放置一个备用的户外烹调和取暖用具,或者准备一个便携式露营灶和几小罐煤气。
8. Many European countries and the United States check vehicles for gas and smoke emissions to make sure the levels are below the permitted output. 许多欧洲国家和美国都对机动车的烟气排放进行检测,以确保低于允许的排放量。
9. Once we get down to the oil, it usually flows to the surface because great pressure, either from gas or water, is pushing it. 一旦到达油层,石油就会由于地下巨大的压力流到地面上来,这种巨大的压力来自地下天然气或水。
10. It might disappear into the air quickly -- by becoming vapor, or gas. 也许会很快地变成蒸汽或水汽消失到空气中;