coal shaft造句
造句与例句
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- In the coal shaft the working-men pushed the coal cars sullenly .
工人们在煤矿里慢吞吞地推着煤车。 - Analysis on the coal metamouphosing reason of ezhuang coal shaft in laiwu coal field
莱芜煤田鄂庄井田煤变质因素分析 - Study and application of gob - side entry retaining uisng molt supporting in coal shaft
大采高锚索巷旁加强支护沿空留巷技术 - It's difficult to see coal shaft in a sentence. 用coal shaft造句挺难的
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