hard rock geology 中文意思是什麼
hard rock geology
解釋
堅巖地質學-
The present situation of many areas lack water seriously in china and execution of strategy of national geology survey makes it become urgent assignment that how to drill soft - middle hard rock rapidly and with high efficiency encountered frequently in drought and water - scarce area
摘要中國許多地區嚴重缺水的現狀及國家地質大調查戰略的實施,使得如何快速、高效鉆進乾旱缺水地區大量遇到的軟中硬巖層成為當務之急。
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