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大爆破 [dà bào pò]
major blasting
- 文章介绍新疆312国道改建工程赛里木湖段大爆破对光缆的影响。
The bulk blasting effect on optical cable at the district of Sailimu Lake in reconstruction of Xinjiang 312 National Road is introduced in this paper. - 酒钢镜铁山矿运用硐室大爆破处理山头岩体，以便为2号（中）矿体的开采形成良好的覆盖层。
Using chamber blasting, a hilltop in Jingtieshan Mine of Jiuquan Steel &Iron Company was blasted so as to make a good overburden for mining of No. 2 orebody. - 采用高速摄影双测技术对尖山铁矿山头硐室大爆破过程进行现场实测，描述了岩石鼓包、抛掷等现象。
The Tunnel blasting in the hilltop of Jianshan Iron Mine is measured really by highspeed photography in site, and the swelling and throwing phenomena of blasting rock is described.
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