“煤化”的拼音为：méi huà...

研究了不同煤化度煤及煤焦的微观结构及其对气化反应性的影响.The effect of microstructure characteristics of coal and coal char on gasification reactivity was investigated....

“煤化”的英语可以翻译为：coalification，bituminization，carbonification，incarbonization ...