有害工业
基于1个网页-相关网页
·2,447,543篇论文数据,部分数据来源于NoteExpress
As with so many collieries, the men were laid off and the pit was put on "care and maintenance" which meant keeping it free from noxious gases and seeping water so that it could be reopened if the industry picked up.
BBC: NEWS | UK | Watching the pits disappear
应用推荐
模块上移
模块下移
不移动