作者根据混凝土排水管道工程的施工工序，提出了一些质量控制措施。
The author puts forward some quality control measures according to construction processes of concrete drain pipelines engineering.
从设计过程、施工环节、后期使用维护等三方面分析室内排水管道堵塞的原因，并提出有效地防止措施。
The causes of indoor drainage pipeline blockage are analyzed from three aspects of design process, construction methods, post-use maintenance and effective prevention measures are proposed.
施工现场的道路、机具、材料、临时设施、供电线路、给排水管道等的布置和管理按承包商的规定进行。
All on-site roads, machines, materials, temporary facilities, power lines, water pipelines shall be laid out and managed according to CONTRACTOR requirements.
施工现场的道路、机具、材料、临时设施、供电线路、给排水管道等的布置和管理按承包商的规定进行。
All on-site roads, machines, materials, temporary facilities, power lines, water pipelines shall be laid out and managed according to CONTRACTOR requirements.
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