spontaneous combustion coal的意思|示意
自燃性煤
spontaneous combustion coal相关短语
1、 spontaneous combustion of coal 煤炭自燃,煤自燃发火
2、 spontaneous combustion coal-seam 易自燃煤层
3、 spontaneous combustion coal seam 易自燃煤层
4、 spontaneous combustion coal gangue 自燃煤矸石
5、 easily spontaneous combustion coal seam 易自燃煤层
6、 coal spontaneous combustion tendency 煤的自燃倾向性