blasting round

基本解释

Based on measurement and analysis of blasting vibration of surface mine and underground mine, all-round and scientific criteria of blasting safety are suggested.
通过对露天矿和井下矿的爆破振动的测试分析，提出了比较全面、科学的爆破振动安全判据建议标准。
There are reinforced and weakened zones in survey area in each blasting round. Its distribution is complex and closely related to the size of EDZ and the effect of blasting.
每一循环进尺，测区中都存在强化和弱化区域，分布比较复杂，与爆破前松动圈的大小以及爆破效果密切相关。
This paper summarizes the factors that affect lump coal ratio of coal faces in an all round way and discusses emphatically the blasting parameters and techniques of enhancing lump coal ratio .
全面总结了影响炮采工作面块煤率因素，并着重讨论了提高块煤率的爆破参数与技术。