基本解釋[能源科學技術(shù)]中等煤炭中煤英漢例句雙語例句The most reactive coal is in the middling coal-bank;含灰量低的中等變質(zhì)程度的煤氧化活性最高；The coals used included high-sulfur raw-coal, low-sulfur raw-coal and middling coal.所用煤種包括高硫原煤、低硫原煤、中煤。middling coal更多例句詞組短語短語middling coal bin [鑛業(yè)]中煤倉middling and small coal boiler 中小型燃煤鍋爐middling coal更多詞組專業(yè)釋義能源科學技術(shù)中等煤炭中煤