空层 meaning in English
dead level
Examples
- Abstract : the paper is based on the working particle for sever al bridges in the construction of w8 section of sheng - yan railway project . it sy stematicaly instructs the construction method of bore - hole filling pile in the rock area with under - earth mined - out layer
文摘:笔者以神延铁路w8标段多座桥梁工程实践为基础，系统介绍了有地下采空层的岩石地区钻孔灌注桩施工的方法 - This paper introduces the situation of mine earthquake happened in the uptown in tongjialiang mine and the geological condition , probes into the working principles and procedures of transient electromagnetic method and high - density resistivity method , determines the worked - out section and worked - out scope
介绍了同家梁矿住宅区发生矿震的情况和地质概况,探讨了瞬变电磁法、高密度电阻率法的工作原理和程序,确定了矿震区域的采空层位和采空范围。