超前钻孔是什么意思-超前钻孔的词语解释-相关组词-词语-近音词-同音词 - 掌上跨屏通词语词典

题目

更新时间：2025-02-08 20:08:06

求解答，词语超前钻孔是什么意思？再说说超前钻孔有什么含义？

答案

超前钻孔的百科含义

超前钻孔是指在工作面前方一定距离煤体内保持有足够数量的大直径钻孔，用以预防沼气突出。在工作面前方通常有卸压带、集中应力带和正常压力带。

超前钻孔的词语组词

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