guest Moderator 管理成员 注册 2002-10-07 消息 402,611 荣誉分数 76 声望点数 228 2014-03-12 #1 Experts planning Ottawa’s light-rail tunnel in 2011 drilled three holes to test the ground just a few metres from where Waller Street collapsed last month in a cave-in the city now attributes to “unanticipated soil conditions.” 查看原文...
Experts planning Ottawa’s light-rail tunnel in 2011 drilled three holes to test the ground just a few metres from where Waller Street collapsed last month in a cave-in the city now attributes to “unanticipated soil conditions.” 查看原文...
