... Zollverein colliery 它建造的关税同盟煤矿 colliery scale 煤运装船时限表 gassy colliery 瓦斯煤矿 ...
基于16个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
The colliery, as one kind of the mine, is a kind of special geographical area, which is in large scale, wide area, big difference between geological condition and coal seam composition.
煤矿作为矿山的一种，是一种特殊的地理区域，规模庞大，面积较广，地质条件和煤层赋存条件差别很大。
youdao
应用推荐
模块上移
模块下移
不移动