试题与答案

的远中邻面窝洞,按Black窝洞分类法,应是()。 A.Ⅰ类洞 B.Ⅱ类洞 C.Ⅲ类

题型:单项选择题

题目:

的远中邻面窝洞,按Black窝洞分类法,应是()。

A.Ⅰ类洞

B.Ⅱ类洞

C.Ⅲ类洞

D.Ⅴ类洞

E.Ⅳ类洞

答案:

参考答案:B

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