常見例句雙語例句The more organic hydrogen content in coal, the higher replacement ratio, it can be profitable to combustion of coal at the same time.煤中有機(jī)氫含量瘉多，置換比瘉高，同時(shí)也有利於煤粉的燃燒。權(quán)威例句This gas contains approximately 80% of the original energy content of the coal, and is a combination of hydrogen, carbon monoxide, carbon dioxide, and methane.FORBES: Underground Coal Gasification: A Trend Worth Watching 返回 hydrogen content of coal