中等揮發分煙煤
詞語: 中等揮發分煙煤
解釋: medium-volatile bituminous coal
詞典: 農牧林專業漢英詞典
中等揮發分煙煤 相關解釋
medium-volatile bituminous coal 〔名詞〕中等揮發分煙煤
中等揮發分煙煤 medium-volatile bituminous coal;medium-volatile coal
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