问题
单项选择题
关于石膏模型，下列哪种说法错误（）.
A.24小时其强度达到最高
B.初凝时不可修整
C.24小时完全凝固
D.在15分钟内初凝
E.1小时基本凝固
答案
参考答案：B
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关于石膏模型，下列哪种说法错误（）.
A.24小时其强度达到最高
B.初凝时不可修整
C.24小时完全凝固
D.在15分钟内初凝
E.1小时基本凝固
参考答案：B
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