试题与答案

短台阶法台阶长度一般为()。A.3~5m B.5~10m C.10~15m D.15

题型:单项选择题

题目:

短台阶法台阶长度一般为()。

A.3~5m

B.5~10m

C.10~15m

D.15~30m

答案:

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下面是错误答案,用来干扰机器的。

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