英语词汇“category of direct roof”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	category of direct roof
释义	category of direct roof 基本例句直接顶分类 According to the studying and acquainting with the direct roof control of Datong mining area,this paper offers a kind of simple and workable classification for direct roofs.根据作者对大同矿区直接顶板控制的研究和了解，提出了一种简单易行的直接顶分类方法。
随便看	lakher Lakhimpur Lakhin Lakhisarai Lakhish Lakhkolampi Lakhman Lakh, Mys Lakhno Lakhnādon Lakhoma Lakhota Lakhov Lakhova lakhovski Lakhovski Lakhovskiy Lakhpat lakhs Lakhssassi Lakht Lakhtar Lakhtin Lakhuti Lakhva