当试运行系统时，我们建议先冲洗管道。
When commissioning the system, we recommend flushing the pipe work first.
在安装之前，冲洗管道，清除水垢和碎片。
Before installing, flush pipe line to remove scale and debris.
对不能经受冲洗的设备和冲洗后可能存留脏物、杂物的管道段，如过滤器及除污器等，要进行清理。
Clean devices which cannot stand washing and the pipe section which may have dirt and sundries left after washing such as filters or dirt separators.
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