hard rock geology 中文意思是什麼

hard rock geology 解釋
堅巖地質學
  • hard : adj 1 硬的,堅固的 (opp soft)。2 (身體)結實的;(組織等)健全的。3 (問題、工作等)困難的,費...
  • rock : n 1 巖,巖石,磐石,巖壁;卵石;〈常 pl 〉〈美口〉石子兒;暗礁,巖礁。2 〈the R 〉直布羅陀 (Gibr...
  • geology : n. 1. 地質學。2. (某一地區的)地質。3. 地質學的著作。
  1. 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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