blasting round

基本解釋

Based on measurement and analysis of blasting vibration of surface mine and underground mine, all-round and scientific criteria of blasting safety are suggested.
通過對露天礦和井下礦的爆破振動的測試分析，提出了比較全面、科學(xué)的爆破振動安全判據(jù)建議標(biāo)準(zhǔn)。
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.
每一循環(huán)進(jìn)尺，測區(qū)中都存在強(qiáng)化和弱化區(qū)域，分布比較復(fù)雜，與爆破前松動圈的大小以及爆破效果密切相關(guān)。
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 .
全面總結(jié)了影響炮采工作面塊煤率因素，并著重討論了提高塊煤率的爆破參數(shù)與技術(shù)。