The most pivotal technical problem of building high-speed railway on soft soil is strictly controlling post-construction settlement of subgrade and its elastic deformation of top surface.
在软土地基上修建高速铁路，其最关键的技术问题就是严格控制路基的工后沉降及列车高速运行时路基顶面的弹性变形。
U. S. Federal Railway Administration Research and Development Office developed a track surface and underground rock movement investigation system.
美国联邦铁路局研究开发办公室通过一项研究项目。开发出一种轨道表面及地下岩土移动勘测系统。
ST bumper used to resist shock is a pivotal part in railway vehicle transportation. As primary load-transfer component of this part, thrust cone required very high precision and surface quality.
ST型缓冲器是铁路车辆运输过程中用于抗冲击的关键部件，推力锥作为其中的主要传力零件，其精度和表面质量要求都非常高。
Accidental damages may occur on the surface of hollow axles of high-speed railway vehicles in running and this may induce surface cracks.
空心车轴在运用中可能会出现意外损伤而诱发表面裂纹。
Underground excavation leads to surface subsidence. Once the surface deformation value exceeds a certain limit, the railway in surface subsidence area will be seriously damaged.
地下开挖工程导致地表沉陷，一旦地表变形值超过一定界限时，地表沉陷区内的铁路就会受到严重破坏。
It is devised according to the principle of the Japanese railway station which exchanges its gas through the hole of the mansion's surface.
它是根据日本火车站的原理设计的，即通过场馆表面的气孔达到气体交换的效果。
In 1979, scientific research institute of China academy of railway and mechanical institute of high-power diesel engine cylinder collaboration of surface modification of laser.
1979年，铁道科学研究院以及中国科学院力学研究所等合作完成大功率柴油机缸套表面的激光改性处理的研究。
Introduce the types of primers on the concrete surface of railway bridges, and the adhesion mechanism on the substrate, and the special primers for dry concrete and wet concrete surface.
介绍了混凝土桥面基层处理剂的种类，以及与基层实现粘接的机理，同时介绍用于混凝土桥面干燥与潮湿基层处理剂。
Introduce the types of primers on the concrete surface of railway bridges, and the adhesion mechanism on the substrate, and the special primers for dry concrete and wet concrete surface.
介绍了混凝土桥面基层处理剂的种类，以及与基层实现粘接的机理，同时介绍用于混凝土桥面干燥与潮湿基层处理剂。
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