论文部分内容阅读
近日,河北省住房城乡建设厅发布实施《城镇排水设施养护管理服务标准》该标准规定,排水设施管理部门应建立定期检修和维护制度。当排水管
Recently, Hebei Provincial Department of Housing and Urban-Rural Development released the standard of “Urban Drainage Service Management and Service Standard”, and the drainage management department should establish a regular inspection and maintenance system. When the drain pipe