drill and practice 中文意思是什麼

drill and practice 解釋
演習
  • drill : n 1 【軍事】操練，演習；（嚴格而有系統的）盤練，訓練；〈英口〉教官。2 【機械工程】鋼鉆，鉆頭；鉆...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • practice : n 1 實行，實踐，實施；實際；實用；做法，技術。2 習慣，慣例，常規。3 練習，演習，實習，實驗；老練...
  1. The practice of grout solidifying and caulking of the underground hydrology drill after water outburst

    井下水文鉆孔涌水后注漿固孔與堵水實踐
  2. Practice for selection and use of drill pipe and drill collar

    鉆桿和鉆鋌選用作法
  3. Recommended practice for drill stem design and operating limits

    鉆柱設計和操作限度的推薦作法
  4. In terms of drill and practice, self - paced computer - assisted instruction enables the student to advance rapidly - without being limited by the conflicting needs of the entire class

    就訓練和練習來說，藉助于計算機的自行規定速度的方法能使學生突飛猛進，不受全班學生互有矛盾需要的限制。
  5. Abstract : through the practice of vertical pressers in long sp an continuous box - girder and the research of two - way prestress model test, the construction technology about unbonded vertical prestress is proposed and applie d in hanjiang bridge in hanchuan. for the first time, it ? s first adopted in long span concrete bridge in our country and a lot of economic benefits are created b ecause of its advantages such as little drill way, rapid and imple construction, h igh quality and so on

    文摘:通過漢川漢江公路大橋大跨徑連續箱梁豎向預應力施工實踐和雙向預應力模型梁試驗研究，在該橋施工中提出並應用了無粘結豎向預應力技術.這在國內大跨徑砼橋樑上尚屬首次全面採用，它具有孔道直徑小，施工簡便快速，質量易於保證等優點，為全橋預應力施工創造了較為顯著的社會經濟效益
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