煤变质带
- 网络coal metamorphic zone; metamorphic zone of coal
煤变质带煤变质带
coal metamorphic zone
煤变质带,coal... ... ) metamorphosed coal 变质煤 ) coal metamorphic zone 煤变质带 ) coal metamorphic zoning 煤变质分带 ...
metamorphic zone of coal
metamorphic zone是什么意思_metamorphic... ... contact metamorphic zone1. 接触变质带 metamorphic zone of coal1. 煤变质 …