Tested in No. 430 miningsection of Xuchang Colliery, a satisfied result was gained.
通过许厂煤矿430采区实际资料的检验,预测的地质效果良好。
2
Three equivalent material modelling tests are done in the laboratory simulating the practical conditions of MiningSection 82 of Luling Colliery in Huaibei.
根据淮北芦岭煤矿八二采区的条件,在实验室完成了三个相似材料模拟试验。
3
Furthermore, methods and equations for determining the rational width of the miningsection based on the principle of minimizing the total cost of the tra...