例句 /

Abstract: This paper discussed the roadways pressure characteristics of south sublevel caving region in Fengshan Copper Mine.By means of engineering practice and the measure results in site test,to counter the feature of roadways pressure,the supporting/r

Abstract: This paper discussed the roadways pressure characteristics of south sublevel caving region in Fengshan Copper Mine.By means of engineering practice and the measure results in site test,to counter the feature of roadways pressure,the supporting/r

文摘:对丰山铜矿南缘无底柱崩落法采区的巷道地压特征进行了探讨,针对其地压显现特点,结合工程实践和现场实验测量的结果,提出了不同地质条件下巷道的支护加固方案和地压控制措施。