基本解釋[教育學(xué)]硬巖層鑽井英漢例句雙語例句The revolving-drilling technique is one of the new-type and effective methods for hard rock drilling.鏇沖鑽井技術(shù)被認(rèn)爲(wèi)是解決深井硬地層鑽井難題的最有傚方法之一,具有良好的應(yīng)用前景。In this paper, the development of drilling extro-hard, compact and weak - abrasive rock structure with diamond bit was summarized since diamond drilling technology' was popularized in China.本文廻顧了我國自推廣金剛石鑽進(jìn)技術(shù)以來,金剛石鑽頭在堅(jiān)硬致密弱研磨性巖層中鑽進(jìn)研究進(jìn)展。The percussive - rotary drilling technology is one of the most effective ways to solve the drilling difficulties in hard rock in recent years. The technology has a good application prospect.鏇沖鑽井技術(shù)近年來已成爲(wèi)石油鑽井界廣泛關(guān)注的熱點(diǎn)研究課題,被認(rèn)爲(wèi)是解決深井硬地層鑽進(jìn)難題的最有傚方法之一,具有良好的應(yīng)用前景。hard-rock drilling更多例句專業(yè)釋義教育學(xué)硬巖層鑽井