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Glossary - U.S. Energy Information Administration (EIA)

Energy Information Administration - EIA - Official Energy Statistics from the U.S. Government

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(An English-Chinese-Japanese …

MSC,。 ==> Main Ship Equipments | Equipment Types | Main Marine Manufacturers

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Glossary of Mining Terms - rocksandminerals.com

Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch ...

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