单选题:洞内水准点每( )应埋设一个,短于lkm的隧道应至少设一个,并应在隧道边墙上画出标志。 题目分类:公路工程 题目类型:单选题 查看权限:VIP 题目内容: 洞内水准点每( )应埋设一个,短于lkm的隧道应至少设一个,并应在隧道边墙上画出标志。 参考答案: 答案解析:
The writer refers to Walkman and Polaroid because they were The writer refers to Walkman and Polaroid because they wereA.Abetter than any of 分类:公路工程 题型:单选题 查看答案