coal gas [化工] 煤气 ; 煤成气 ; 煤制气
oxy-coal gas flame 氧煤气焰
coal-gas producer 煤气发生炉
coal gas station 煤气站
coal gas producer 煤气发生炉 ; 煤气
coal gas generator 煤气发生炉
coal gas engine 煤气机
coal-gas outburst 煤与瓦斯突出 ; 煤瓦斯突出
coal gas blower 煤气鼓风机
Coal gas rivaled smoky oil lamps and flickering candles, and early in the new century, well-to-do Londoners grew accustomed to gaslit houses and even streets.
煤气可与烟雾缭绕的油灯和摇曳不定的蜡烛相媲美，在新世纪之初，富裕的伦敦人逐渐习惯了有煤气照明的房子，甚至街道。
It can be extracted without burning a fossil fuel such as coal, gas, or oil.
它在采掘过程中无须燃烧如煤炭，煤气或石油这类矿石燃料。
Various fuels such as coal, gas, oil and food are common examples of chemical energy.
最常见的化学能包括煤、天然气、石油、和食物等各种各样的燃料。
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