Electric current gradient process was a new technique for testing the external coatings of the underground pipelines.
电流梯度法是一种地下管道外防护层检测的新技术。
Change of earth pressure, pore water pressure, underground water level, surface deformation, and sub-surface movement all have direct relationship with distance between shield and testing section.
土压力、孔隙水压力、地下水位、地面变形及深层土体移动的变化都跟掘进机与测试断面之间的距离有直接关系。
Underground telecommunications works for vehicular and pedestrians traffic areas - part 2 : access covers and frames - requirements , testing , marking.
车辆和人行道区域的底下通讯作业。第2部分：进口盖和框架。要求试验和作标记。
This paper analyzes the importance of transverse wave testing. It briefly introduces the method and technique of s wave testing by using seismograph in underground coyote.
本文分析了横波测试的重要性，简要介绍了用地震仪在地下硐室测试S波的方法与技术。
The principles of the cooling system are demonstarted through analysis and testing, and designs are made for the underground pool.
文中分析了冷却水作冷媒向地下冷源放热的理论依据和数学模型，提供了地冷制冷系统的设计方法。
By applying a basic method for underground coal bunker coal level testing assisted by auxiliary lighting system, this article discusses bunker coal level image collecting method.
采用一种利用辅助光源对井下煤仓煤位进行检测的基本方法，研究了煤仓煤位图像的采集方法。
Taking 18 sets of parameter data of underground mine as training and testing samples, the ratio of mis-discrimination is 0.
对18组地下矿山的特征参数值作为学习样本进行训练和检验，回判估计的误判率为0。
The practical testing indicates that the system has an evident electricity-saving effect while ensuring a safe underground operation.
实际测试表明，在给井下安全作业带来了可靠保证的同时，节电效果明显。
Articles and materials from synthetics for use in underground mines - Part 1: Conveyor belts - Hygienic requirements, testing, marking.
用于矿井下合成的材料和物品。第1部分：传送带。卫生要求，试验，标识。
Ground penetrating radar as a highly efficient, advanced non-destructive testing equipment, is able to implement continued scan of the underground place and have real-time access to radar images.
探地雷达作为一种高效、先进的无损检测设备，能够对地表以下实施续扫描，实时获得雷达图谱。
Ground penetrating radar as a highly efficient, advanced non-destructive testing equipment, is able to implement continued scan of the underground place and have real-time access to radar images.
探地雷达作为一种高效、先进的无损检测设备，能够对地表以下实施续扫描，实时获得雷达图谱。
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