A multifunctional oil well cement additive was developed.

研究开发出了多功能油井水泥外加剂。

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So it can be the raw material of fluid loss additive for oil well cement.

因此，可以把它作为油井水泥降失水剂的原料。

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So it can be the raw material of fluid loss additive for oil well cement.

因此，可以把它作为油井水泥降失水剂的原料。

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