污泥 sludge 过河管 river crossing 倒虹管 inverted siphon 管道遇到河道、铁路等障碍物,不能按原有高程埋设,而从障物下面绕过时采用的一种倒虹形管段。 45.
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river-crossing leveling 跨河水准测量 ; 跨河水准丈量
The River Crossing 横渡河流
river crossing pit 河流穿越坑
Jiaxing - Shaoxing River-Crossing Bridge 嘉绍跨江大桥
Yellow River Crossing Tunnel 穿黄隧洞
River Crossing Permit 河川使用许可
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。
In chapter 3 we have the account of crossing the Jordan River.
在第三章中有对渡过约旦河的描写。
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