常用的喷吹粉剂可分为哪几类？各类粉剂分别具有哪些输送特性？
金属的腐蚀主要有两种类型：________和_________，口腔中金属的腐蚀主要是_______。
Resiliencois()
A. also known as"springbackpotential"
B. desirable in a restorative material
C. represented graphically as the area under the linear part ofa stress-strain diagram
D. an of the above
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