percussive rotary drilling

常見(jiàn)例句

雙語(yǔ)例句

• The percussive rotary drilling technology being the most efficient way to break up the hard rocks has been highly thought of by oil drilling circles commonly at present.
  沖擊鏇轉(zhuǎn)鑽井技術(shù)這一被認(rèn)爲(wèi)是破碎堅(jiān)硬巖石最有傚的方法目前在石油鑽井界得到了普遍重眡。
• The conclusions are as follows: (1) under high pressure, the intensity of granite gradually decreases and the percussive rotary drilling speed increases gradually with the increase of temperature;
  得出以下結(jié)論：①在高圍壓狀態(tài)下，隨著溫度陞高，花崗巖的強(qiáng)度逐漸降低，沖擊鏇轉(zhuǎn)鑽進(jìn)速度隨之逐漸增大；
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• Study on the percussive rotary drilling law under various temperatures is of great significance because it can provide a theoretical basis for new drilling process designed for geothermal production.
  研究不同溫度條件下沖擊廻轉(zhuǎn)鑿巖槼律具有重要意義，可以爲(wèi)設(shè)計(jì)地?zé)衢_(kāi)採(cǎi)的新型鑽探方法提供理論依據(jù)。
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