charging hole

Sonic Wave Analysis on Uncoupled Explosive-charging Structure for Damnification of Hole Wall Rock

不耦合装药爆破对孔壁岩石损伤破坏的声波分析

its iron ball consists of iron shell, drug-charging hole, drug-permeating pores and chinese prepared medicine.

其铁球又是由铁壳、装药孔、渗药孔、中成药组成。

The fact that the drill hole openings are located under water complicates charging work.

炮眼口位于水下,无疑会使装药工作复杂化.

pneumatic handling. tanks for bulk material transportation. charging hole and locking device.

气动装卸.散装固体产品运输用储器.注入孔与封闭装置

Spacing charging at blast hole bottom is studied to reduce the seismic, which can make the ratio of vibration reduction to 10-15% and reduce the ratio of boulder and root as accessorial method.

还进一步进行了孔底空气间隔器的降震实验的研究，其降震率达10～15%，作为张沟采场辅助的降震措施，并且有效地降低了大块率和根底的产生。