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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。
youdao
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Usually it is used to convey cement and raw material powder.
在水泥工业中常用输送水泥和生料粉。
youdao
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Usually it is used to convey cement and raw material powder.
在水泥工业中常用输送水泥和生料粉。
youdao