1) Xuchang coal mine
许厂煤矿
2) coal mine
煤矿许用
1.
Through repeated experiments with the Class Ⅲ coal mine permissible powdery emulsion explosives at non-stopped production line,we aim to find all the factors contributing to the performance of products so as to decide appropriate ingredients and technological paramenters.
通过在全连续生产线上对三级煤矿许用粉状乳化炸药的配方进行反复试验,找出影响产品性能的各种因素,确定合适的配方和工艺参数。
3) Xutuan Coal Mine
许疃煤矿
1.
According to the Xutuan Coal Mine’s drilling data, geophysical data, the study area’s fracture complexity were studied; the rocks’physical and mechanical properties were tested indoor.
本文着重对许疃煤矿8_2煤层顶板稳定性进行分析,应用沉积岩石学、构造地质学、岩体力学、分形等理论方法,对影响煤层顶板稳定性的主要因素如沉积特征、岩体结构特征进行了系统研究。
5) pithead coal preparation plant
矿井选煤厂
6) groupmine's coal preparation plant
群矿选煤厂
补充资料：许许
1.劳动时共同出力的呼声。 2.泛指各种事物发出的声音。
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