摘要：This paper aims at introducing some specific steps and strategies of teaching vocabulary in the regular classroom, w......

以某矿区河床塌陷治理实例，阐述从河床两侧施工垂直钻孔，灌注水泥浆液，充填河床底部土层裂隙和空洞，稳固土体、加固河床的技术方法。......