砌体暗渠取代混凝土排水沟。
他告诉T-Bag，“我把它称为‘暗渠’”。
在苏家围即使遇上特大暴雨，雨水都能从屋的暗渠里排走，绝不积水。
In sujiawei even met severe storms, rainwater can from house dark canal in row walk, never effusion.
结合工程实际情况，介绍在有地下水地区的暗渠施工降水案设计、涌水量计算、水泵选择。
An introduction is given to dewatering design, calculation of gushing water volume, and selection of pump for the construction of underdrain.
用夯管帷幕作为支护来建造地下通道、暗渠等穿越构造物，在城市建设中是一项新的施工工艺。
The ramming pipe drapery is used for support to construct the crossing structures of underground passage, blind channel and etc.
以矩形槽为例，分析求解渡槽最优纵坡，提出了渡槽最优水力要素的计算步骤和计算方法，所推导公式的方法同样适应于淤地坝无压输水涵洞、暗渠等类似工程。
In this paper, taking the rectangular aqueduct as the example, based on the analysis of the optimal solution aqueduct, the calculation steps and method of the optimal hydraulic elements are proposed.
以矩形槽为例，分析求解渡槽最优纵坡，提出了渡槽最优水力要素的计算步骤和计算方法，所推导公式的方法同样适应于淤地坝无压输水涵洞、暗渠等类似工程。
In this paper, taking the rectangular aqueduct as the example, based on the analysis of the optimal solution aqueduct, the calculation steps and method of the optimal hydraulic elements are proposed.
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