1. of, relating to, or being coal of lower rank than bituminous coal but higher than lignite
subbituminous 片语
片语
subbituminous coal次烟煤
subbituminous C coalC级半烟煤
Bituminous and Subbituminous Coal Combustion烟煤和次烟煤的燃烧
subbituminous B coalB级半烟煤
subbituminous A coalA级半烟煤
subbituminous coa亚烟煤
laminated subbituminous coal层状次烟煤
Subbituminous A亚烟煤
subbituminous 例句
英汉例句
the rapid pyrolysis process using solid heat carrier is a developing technology which is used for the comprehensive utilization of lignite, oil shale or subbituminous coal.