题目内容：
熔区次数的选择可以根据经验公式得到n=(1~1.5)L/l
A.正确
B.错误
参考答案：
选择题：熔区次数的选择可以根据经验公式得到：n=(1~1.5)L/l
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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