选择题:超前锚杆的超前长度宜采用3~5m长,环向间距采用_______,搭接长度宜为超前长度的_______ 题目分类:石家庄铁道大学隧道工程 题目类型:选择题 查看权限:VIP 题目内容: 超前锚杆的超前长度宜采用3~5m长,环向间距采用_______,搭接长度宜为超前长度的_______左右. 参考答案:
____ student with a little common sense should be ____ student with a little common sense should be able to answer the question.A. 分类:石家庄铁道大学隧道工程 题型:选择题 查看答案
We ______ our breakfast when an old man came to th We ______ our breakfast when an old man came to the door.A. just have hadB. just 分类:石家庄铁道大学隧道工程 题型:选择题 查看答案