“well washing”的概念、定义、翻译、参考文献-科学参考

单词	well washing
释义	well washing Encyclopedia 理学水井钻进作业释 well washing洗井水井打成之后,需替换和清洗井内的泥浆、沉淀物，以及井壁泥皮和含水层孔隙内的堵塞物等，使砾料和靠近砾料含水层中的颗粒重新按其大小自然排列，以形成良好的人工过滤层，水流畅通并达到水清、砂净的作业。
随便看	equally-spaced equally strong operators equal odds equal opportunity equal parallelian point equal path equal pay for equal work equal perimeters isoscelizer point equal-pitch equal-polyhedral equal power equal probability equal process equal protection principle equal relations equal result equal right equal-ripple equal roots equal sets equal-settling ratio of free-settling equal-settling ratio of hindered-settling equal sign equal-spaced projection equal-spin-pairing state

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