英语词汇hard-rock boring怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	hard-rock boring
释义	hard-rock boring 翻译硬岩无聊以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义 1 ?硬岩钻进 ... hard-rock miner 硬岩矿工 hard-rock boring 硬岩钻进 hard-rock geology 硬岩地质学 ... 短语 1 hard rock boring 矿业硬岩钻进 2 tbm for hard rock boring 硬岩隧洞掘进机 3 hard rock tunnel boring machine 岩石隧道钻挖机双语例句 1 After several years to jumbolter research, the hard rocks always present in the soft ones in the wall rock procedure using jumbolter, which results in changing the boring tool during the procedure. 经过几年对锚杆钻机的跟踪研究，发现锚杆钻机在围岩作业中常遇到软岩中有硬岩夹层的现象，造成施工过程经常更换钻具的问题。
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