A group of mud additives specifically designed to lower the volume of filtrate that passes through a filter medium.

降低泥浆通过渗透介质时的滤失量的一种特殊泥浆添加剂。

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A group of mud additives specifically designed to lower the volume of filtrate that passes through a filter medium.

降低泥浆通过渗透介质时的滤失量的一种特殊泥浆添加剂。

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