·2,447,543篇论文数据，部分数据来源于NoteExpress
Summary: quicksand layer appears in the sinking and driving engineering will give well engineering excavation work caused a certain degree of interference, which can even lead to security incidents.
论文发表网-摘要：井巷工程中出现流沙层，会给井巷工程的挖掘工作造成一定的干扰，严重时甚至会导致安全事故。
youdao
应用推荐
模块上移
模块下移
不移动
