考试
2021-02-25 04:22:45

(单选题)因抢测洪水等特殊原因,需要缩短测点的测速历时时,测

题目描述

A20s

B30s

C50s

D60s

答案解析

[db:答案解析]

B

加载中...
AI正在思考中,请稍候...