城市规划师决定建一个地下排水系统。
The city planner decided to build an underground drainage system.
介绍了小湾电站右岸地下排水系统的小洞室开挖爆破技术和设计参数。
The excavation technology and design parameters of a polit chamber blasting of underground drainage system in Xiaowan power station are introduced.
雨季通过地下排水系统淋洗排出的盐分数量大于灌溉季节引入的盐分数量。
The salts leached through the SSD system during the monsoon season was larger than the salt input to the soil through irrigation.
恰好在边界线附近的邻近的山，设计了3层地下排水系统，以阻止洪水和滑坡。
With the neighboring mountain, right next to the boundary, 3 layers of sub-drainage systems were carefully prepared to prevent flood and land slide.
在遥远的他国，由于简陋的地下排水系统导致的一些比如水传播疾病的环境灾难不属于此类别。
Environmental disasters like endemic waterborne disease due to inadequate sewage treatment in faraway nations do not fit this category.
采用一维非恒定流方程模拟地下排水管网内的水流，并给出泵站、闸门、淹没出流管道等排水系统的处理方法。
The flow in the drainage pipe network is simulated by one-dimensional unsteady flow theory, and the calculation of the pumping stations, the water gates and submersed pipes is indicated.
市政整体排水系统程序如下：路面雨水→雨水井→沉泥井→过街排水管→排水检查井→地下排水主干线。
The whole city drainage system program is as follows: rain water wells road, clay and drain well across the street and drainage inspection wells and underground drainage main lines.
市政整体排水系统程序如下：路面雨水→雨水井→沉泥井→过街排水管→排水检查井→地下排水主干线。
The whole city drainage system program is as follows: rain water wells road, clay and drain well across the street and drainage inspection wells and underground drainage main lines.
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