常見(jiàn)例句

雙語(yǔ)例句

• This article introduces the preparation method, the laboratory evaluation and field test of MD-3 fluid loss control agent for oil well cement.
  介紹了MD-3 油井水泥降濾失劑的制備方法、室內(nèi)評(píng)價(jià)及現(xiàn)場(chǎng)試驗(yàn)情況。
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