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水力发电建设总局于1980年12月在大藤峡勘探工地举办了小口径金刚石钻探学习班。本文是学习班关于金刚石钻头在坚硬岩层中发生打滑现象及其防止措施问题的研究总结。原文由东北勘测设计院勘测总队杨中汤同志编写。本刊发表时作了删节。
Hydroelectric Power Construction Bureau held a small-caliber diamond drilling workshop in December 1980 in the large Tengxia exploration site. This article is a summary of the study by the workshop on the problem of slippage of diamond bits in hard rock formations and their prevention measures. The original text by the Northeast Survey and Design Institute Survey Commander Yang Zhong Tang prepared. This publication made a deletion section.