Super-retarding mortar is composed of cement, water, retarding admix and sand blended in appropriate rate .
超缓凝砂浆是由水泥、复合缓凝剂、水和砂经适当配比而形成的。
※War is nothing but a continuation of politics with the admixture of other means.——karl von Clausewitz. Drussian general 战争不过是政治的继续,外加一些别的手段。普鲁士将军 克劳塞威茨 . K