英语词汇“mud off, shaft wall protection by drilling mud”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	mud off, shaft wall protection by drilling mud
释义	mud off, shaft wall protection by drilling mud 泥浆护壁; 采用钻井法时，利用井内泥浆的静压力（压强）平衡地压与水压，并使泥浆渗入围岩形成泥皮，以维护井帮的方法。
随便看	poison ash poison ashes poison atmosphere poison bait poison bait? poison balance poison bean poison-berries poisonberries poison-berry poisonberry Poison Black Cherry poison book poison brick poison bulb poison bulb, (Crinum asiaticum) L. poison bun sponge poison bush poison bushes poison camas poison camass poison canal poison car poison car,poisonous goods wagon poison cell

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