This includes route reconnaissance and marking, convoy and oversize vehicle escort and river crossing control.
这包括路线侦察和标记，车队和大型车护送和渡河管控。
Up till now, there is no special written comment on military river crossing conducted by Alexander the Great.
亚历山大大帝的军渡活动至今未见专门论述。
HDD is often the preferred method for constructing the pipeline across such obstacles as streams or wetlands. (See inset diagram.) Here is shown a typical river crossing.
水平定向钻孔(HDD)常常是管道穿越河流或湿地这类障碍优先选用的方法。插图表示河流穿越的典型情况。
When completed river crossing leveling by means of trigonometric leveling with distance measurement, there are two types of observed values.
采用测距三角高程法进行跨河水准测量，可以不量取仪器高，但观测值中有两类不同的观测量。
In oil pipeline's river crossing, the characteristics of heavy load of pipeline's dead weight and large span of design will bring many problems to engineering design and construction.
在输油管道跨越河流时，其自重荷载大、设计跨度大的特点给工程设计和施工带来了诸多问题。
Based on the life cycle design conception, the conceptual design of a Changjiang River crossing is made.
基于全寿命设计理念，对某长江通道桥进行概念设计。
River crossing pipelines and subsea pipelines usually involve composed structure in order to ensure safe operation.
河流穿越管道和海底管道一般采用组合结构，以保证其安全运行。
The lining structure of the Yellow River crossing tunnel is analyzed, the results of the beam and non linear spring model are compared with those of other models.
应用梁非线性弹簧模型对穿越黄河隧道一次衬砌结构的受力进行了分析。
Red River is the stream of Xijiang River, crossing the central part of Guangxi from west to east with full-length 659km of main stream.
红水河是珠江流域西江水系干流，自西向东横穿广西中部，干流全长659公里。
Structure optimization and reliability analysis of truss river-crossing related to the overall performance of pipeline structures. And it plays an important part in structure's safe operation.
桁架式跨河管架的结构优化和其可靠度分析，关系到管架的整体性能，对管道的安全运行有着重要的作用。
Along with the construction of large-span, river-crossing Bridges, vehicle-bridge coupling vibration will make catenary vibrate, which can further affect pantograph-catenary coupling vibration.
随着大跨距跨江铁路桥的建设，车和桥的耦合振动会引起接触网的振动，进而影响弓网的耦合振动。
Long distance river-crossing leveling is an important job in the elevation control of the long-span bridge construction.
长距离跨河水准测量是特大跨径桥梁建设中高程控制的一项重要内容。
The construction of a large number of river-crossing Bridges makes the natural reach turn into the bridge location reach.
大量跨河桥梁的兴建，使得天然河段变成了桥位河段。
Grouting technology is used in subsea and river-crossing tunnels for various purposes such as waterproofing, pre-reinforcement and corrosion protection.
作为防水、防腐和地基加固等多种目的和手段之一，灌浆技术可应用于河底隧道或者海底隧道。
Grouting technology is used in subsea and river-crossing tunnels for various purposes such as waterproofing, pre-reinforcement and corrosion protection.
作为防水、防腐和地基加固等多种目的和手段之一，灌浆技术可应用于河底隧道或者海底隧道。
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