In this paper the superiority of the hydraulicblast to ordinary ones is described.
本文通过理论分析阐述了水压爆破相对于普通爆破的优越性。
2
According to the safety modulus of hydraulic hose ruled by international standard, we recommend that the working pressure is one forth of the minimum blast pressures.
按照有关国际标准规定的液压胶管的安全系数，我们推荐的工作压力通常为胶管最低爆破压力值的四分之一。
3
At present, tap hole drills used in blast furnace are classified as pneumatic, electric and hydraulic.