Set surface materials. We use wire materials to keep it simple.
设置表面材质。我们使用线性材质来保持它的简单性。
Methods: According to their effects on the hardening depth and surface characteristic of the set materials, the water-hardening components, excipient vehicles, coagulation accelerators were selected.
方法：通过测定材料在水中的凝固速度及凝固后材料表面性状，对水硬性材料成份的种类、赋形剂的种类及凝固促进剂的种类进行筛选。
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