题目内容：
冶金冷轧工程生产能力（ ）万t的界定为大型工程。
A．≥50 B．>60
C．>70
D．≥80
参考答案：
答案解析：
单选题：冶金冷轧工程生产能力（ ）万t的界定为大型工程。
- 题目分类：机电工程管理与实务
- 题目类型：单选题
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B．>60
C．>70
D．≥80
B．>60
C．>70
D．≥80
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