Can retarder across some process tanks, to achieve a machine process.
可缓速跨越某些工艺槽，实现一机多工艺流程。
The FGD gypsum should be dried at low temperature for the use of cement retarder.
脱硫石膏作水泥缓凝剂必须低温烘干。
The technology of super concrete retarder is a new research interest in concrete technology.
混凝土超缓凝剂技术是当今混凝土技术的一个新的研究方向。
The technology of super concrete retarder is a new research interest in concrete technology.
混凝土超缓凝剂技术是当今混凝土技术的一个新的研究方向。
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