定向钻进技术在底板水害超前探查中的应用#br#
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袁子航, 叶根飞, 赵永哲, 孙阳
Application of Directional Drilling Technology in Advanced Exploration of Floor Water Disaster
煤炭工程 . 2021, (4): 45 -48 .  DOI: 10.11799/ce202104010