A chemical additive or inert material used to decrease the density or increase the yield of a cement slurry.

减小水泥浆密度或增加水泥浆产率所用的化学添加剂或惰性材料。

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A chemical additive or inert material used to decrease the density or increase the yield of a cement slurry.

减小水泥浆密度或增加水泥浆产率所用的化学添加剂或惰性材料。

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