勘探钻孔 meaning in Chinese
exploratory boring
exploratory drill hole
pioneer hole
pioneer well
post hole
prospect hole
prospecting bore
Examples
- Exploitation on pressure detective method for coal gas by prospect drilling
勘探钻孔煤层瓦斯压力测试方法探讨 - And it can avoid the bad blasting effect even the blasting accident for the shortage of geologic prospecting . even the blasting engineering can be constructed safely without any geologic prospecting information . so it can be drawn that this method is efficient , economic and safe
采用这种方法可以避免由于地质勘探钻孔信息的不足而不能比较全面地反应岩石性质武汉理工大学博士学位论文而引起的不良的爆破效果乃至爆破事故的发生，同时也可以在未能获得任何地质勘探信息的情况下安全地进行爆破施工，不愧为一种高效、经济、安全的方法。