题目内容

W1lich is the best indicator ofthe inital set ofgypsum products()

A. loss ofgloss
B. loss ofresilience
C. decreased compressive strength
D. decreased elasticity

查看答案

搜索结果不匹配？点我反馈

更多问题

水／粉比(water／powder ratio，W／P ratio)

按蜡的用途，将蜡分为___、_和______。

熟石膏又称____，主要成分为_，其结晶疏松，形状不规则，主要用于灌注_及____时所需的连接石膏。

Inlay wax patterns should be invested as soon as possible after fabrication in order to minimize changes in shape causedby()

A. drying ofthe wax
B. reduction in temperature
C. volatilization of wax components
D. relaxation of internal stresses