In this paper, the designing problem related to the sand drainage installation are analyzed.

本文分析了斗式排沙装置的有关设计问题。

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If it is high-altitude operations, the device must wear safe installation time. Do anti-corrosion treatment and drainage disposal, can not show the status of leakage.

假如是高空作业，那装置的时分一定需求戴平安安装。做好防腐处置和排水处置，不能呈现漏水的状况。

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This essay also introduces some installation methods of rain cups and pipes suitable to the big house surface draining rain through pressure flow rain drainage system.

介绍了适用于大屋面雨水排放的压力流雨水排水系统中雨水斗和管道的安装方法。

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Director of Highways Richard Pearson said the work will involve the installation of drainage pipes across the road close to the entrance to the Carrick Park Estate.

BBC: Isle of Man roadworks set to begin