Through the analysis on the status current building water supply and drainage system,from the water supply,drainage,technology and hot water supply perspective elaborated the development direction and trend of buildings drainage technology,so as to positive innovation of water supply and drainage system,continuously improved and prefect the traditional process,promoted the benign development of water supply and drainage system.%通过分析当前建筑给排水系统的状况，从给水、排水、技术及热水供应角度阐述了建筑给排水技术的发展方向和趋势，以积极创新给排水系统，不断改进与完善传统工艺，促进给排水系统的良性发展。
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