... 爆炸渔法 explosive fishing 爆炸铸造法 combustion casting process 爆炸钻进 blast drilling ...
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long blast drilling 深孔凿岩
underground blast hole drilling 井下炮眼钻凿
underwater drilling blast 水下钻孔爆破
drilling blast method 钻爆法 ; 隧道控制爆破及超欠挖控制钻爆法
Blast furnace drilling tool 高炉钻具
drilling blast 凿岩爆破
Drill rig and its accessory tools were developed to meet the technical requirements of drilling Geo physical blast holes in soil and rock among mountainous and hilly area in China.
为满足我国山地丘陵地区物探爆破孔施工技术的要求，研究适合土层、岩层钻进用的钻机及工具，对钻机的配套设备进行了开发研究。
A simple working platform for underwater drilling blast and the practical method to removing and orientating the ship are introduced in the paper.
文章介绍了一种简易的水下钻孔爆破施工平台及实用的移船定位方法，改进了传统的药包加工及装填工艺。
Drillers in this unit group operate mobile drilling machines to bore blast holes in open-pit mines and quarries and to bore holes for blasting and for building foundations at construction sites.
该项中的钻探工人操作移动钻孔机实施露天矿和采石场的钻孔爆破以及建筑工地的建筑物基础设施的爆破工作。
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