“coal deposits”的概念、定义、翻译、参考文献-科学参考

单词	coal deposits
释义	coal deposits 煤藏
随便看	power-drag scraper power drain power drill power drive power-drive power-driven powerdriven power driven power-driven grader power-driven irrigation and drainage equipment power-driven pump power-driven reciprocating harrow power-driven screw-jack set power driven shears power-driven shears power-driven system power (driven) threshe power-driven tool power-driven wheel power driver power driver circuit power drive shaft power drum power dump power dump rake

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