Super-retarding mortar is composed of cement, water, retarding admix and sand blended in appropriate rate .

超缓是由水泥、复合缓剂、水和经适当配比而形成。

Water and medicine can be admixed fully depending on symmetric branch off, cross-fading, reverse rotational flow in admixer without outside drive.

在不需外动力情况下，水流通过合器产生分流，合和反向旋流三个作用，起到充分合作用。