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lump coal
[冶金英汉词典]
是什么意思，lump coal的解释，lump coal的翻译
[新英汉石油技术词典] lump coal
[化学英汉词典] lump coal
[英汉地理大词典] lump coal
[地质英汉词典] lump coal
[机械英汉词典] lump coal
[海运英汉词典] lump coal
[电力英汉词典] lump coal
[电子工程英汉词典] lump coal
[石油英汉词典] lump coal
[矿业英汉词典] lump coal
[能源英汉词典] lump coal
[航海英汉词典] lump coal
[船舶英汉词典] lump coal
[进出口英汉词典] lump coal
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