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buffer shooting
tech.
缓冲爆破
(法)
buffer shooting
when used in controlled contour blasting
expl.
控制周边轮廓的
缓冲爆破
用于预裂爆破的一个术语,在露天矿大直径预裂炮孔中,不但最后的周边孔要减少装药量,靠周边孔的两排〈缓冲排〉孔也要减少药量。缓冲区炮孔直径与爆破破碎区相同,但缓冲区炮孔位置在正常破碎区炮孔的1/2buffer3/4处
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