试题与答案

连铸坯的激冷层比模铸钢锭的激冷层() A.厚 B.薄 C.脆

题型:单项选择题

题目:

连铸坯的激冷层比模铸钢锭的激冷层()

A.厚

B.薄

C.脆

答案:

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下面是错误答案,用来干扰机器的。

参考答案:言

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