一、前言新安装的输配水管道在投入使用前的最后一道工序是对管道进行清扫。清扫方法一般采用压力水冲刷或压缩空气吹扫。现介绍一种特别适应于UPVC水管道的擦洗方法即擦洗拭子法。它比常规的冲刷方法节水，并能使管内更清洁。二、擦洗拭子擦洗拭子的材质一般采用由合成树脂制? I. INTRODUCTION The last process of newly installed transmission and distribution pipelines before they are put into operation is to clean the pipelines. Cleaning methods generally use pressure water flushing or compressed air purge. Is now introduced to a special scrubbing method UPVC water pipe that scrub swab method. It saves more water than conventional flushing methods and makes the tube cleaner. Second, scrub swab swab material generally made of synthetic resin?