Cushionblasting with divided charge holes is one of the controlled blasting techniques near slopes.
具有分段装药结构炮孔的缓冲孔爆破是边坡控制爆破方法之一。
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Recently air-cushionblasting with column charge has been widely used and gained remarkable results in improvment of fragmentation and controlling damage.
HeLuanShi system in engineering field, pressure-blasting machine is mechanism sand, cushion material, asphalt concrete and cement concrete aggregate ideal production equipment.