1) coal-forming characteristics
成煤特征
3) coal quality character
煤质特征
1.
The coal quality characters and reasonable utilization route of Yanzhou mining area were analyzed and discussed.
介绍兖州矿区煤系、煤层及矿区生产建设情况，着重论述了矿区煤质特征，分析了矿区煤的合理利用途径。
4) concentrating coal characteristics
聚煤特征
1.
Deposition of Changcai Group of Helong Basin,Yanji,Jilin Province and its concentrating coal characteristics;
延吉和龙盆地长财组沉积与聚煤特征
2.
The underlying coal-bearing member deposition of Hunchun coalfield and its concentrating coal characteristics;
珲春煤田下含煤段沉积与聚煤特征
5) coal-bearing characteristics
含煤特征
6) coal seam character
煤层特征
1.
The pseudo log responding coal seam character was inverted from seismic attributes.
描述了地震属性的拟测井反演方法 ,即从地震属性中反演能够反映煤层特征的拟测井曲线。
补充资料：煤的变质作用(见成煤过程)
煤的变质作用(见成煤过程)
metamorphism of coal
mel由玩anzhi zuoyong煤的变质作用(metamorPhism。f coal)‘见成煤过程。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条