沪江词库精选煤变质酌英文怎么写及英文单词、英语单词怎么写、例句等信息 coal metamorphism 相似短语 of coal 煤气化 coal cutting n. 采煤 coal mine n.煤矿,煤矿坑 allochthonous coal 移置煤,异地生成煤 anthracite coal 无烟煤 navigation coal 锅炉煤,蒸汽煤 charred coal 焦煤,焦炭 chestnut ...