coal-mine

英 ['kəʊlm'aɪn] 美 ['kəʊlm'aɪn]

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英英释义
名词 coal mine:

a mine where coal is dug from the ground
例句
临近单词

coaldrop coal Coal-miners are a tough breed. coal mine safety management system Coal-gas will float a balloon. coal bed methane emission quantity coal mining with gangue backfilling coal - rock interface recognition coal poly - generation technology Coalescing osteitis of petrous bone coal-mining emulsifying explosive coal seam reservoir characteristics

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