As Houxi Opencast Mine has smaller mining boundary and it is near villages, the safety of mining and controlled blasting are strictly required.
侯西露天矿开采境界小，距离村庄近，对剥采作业安全性、控制爆破技术有较高的要求。
As Houxi Opencast Mine has smaller mining boundary and it is near villages, the safety of mining and controlled blasting are strictly required.
侯西露天矿开采境界小，距离村庄近，对剥采作业安全性、控制爆破技术有较高的要求。
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