... 螺母夹 nut clamp 小块煤 nut coal 螺母垫圈 nut collar ...
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... nut bolt 带帽螺栓 nut coal 核级煤 nut lock 螺母锁紧 ...
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Yet if Consol can crack the sequestration nut, the whole energy industry might benefit from using old coal mines to suck up their dirty emissions.
FORBES: With Gas Deal, Consol Strives To Turn Coal Green
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