拉变形程度包括哪些内容？
参考答案：
包括：贴模程度；材料拉形允许变形的程度。
—Could you give us some advice about this competition?
—If you want to win first prize, your design for the museum must be________.[ ]
A. careful
B. obvious
C. clear
D. novel
峰值强度
