coalmine的精選

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用“coalmine”造句大全，coalmine造句

用“coalmine”造句大全，coalmine造句

2017-01-11
Whereverthere'saroad,there'sacoalmine.CoalmeasuresinXiaonancoalminebelongtoJurassicterrestrialdeposit.Waterdisasterisoneofthemaindisastersincoalmine.TheJiegoucoalmineissituatedatsouthernHuaibeicoalf...