2) bradding
[英][bræd] [美][bræd]
牙轮钻头齿撞破裂
3) drill crack
钻头破损
4) implosion drill
内破裂钻机
5) Potouqing fault
破头青断裂
1.
Of these fractures, the Potouqing fault was the first-grade fracture controlling orebodies, and it controlled the distribution of gold ore veins, mineralization types, mineral assemblages and mineralization depth; the Linglong fracture was the second-grade fracture, and it controlled the enrichment section of orebodies, and resulted in diagonal ore veins and trend variance, and.
其中 ,破头青断裂为一级控矿构造 ,它控制了整个金矿田矿脉的空间分布、矿化类型、矿物组合以及矿化深度的规律性变化。
6) drill hole explosion
钻孔径裂爆破
1.
Based on analysis of the mechanism of drill hole explosion and diluted hydrochloric acid well cleaning, unified well cleaning method is put forward.
在分析钻孔径裂爆破作用和稀盐酸酸化洗井处理的基础上 ,提出了钻孔径裂爆破和稀盐酸联合洗井工艺 ,5眼基岩区水井工程实例证明 ,这种洗井工艺效果显著 ,值得推广。
补充资料：大直径牙轮钻头
大直径牙轮钻头
大““钻头篡
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条