模具的闭合高度
参考答案：
模具的闭合高度是指冲模在最低工作位置时，上模座上平面至下模座下平面之间的距离。
—_______?
—He's a tall man with short hair. [ ]
A. How is he
B. What does he like
C. What is he
D. What does he look like
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