It also has a cleaning and flushing system to keep the pipe clean.
该管道还自带清洗和冲水系统，来保持管道的干净。
Please explain the method of field test and flushing(blowing off )of the pipelines.
请申明管线的现场试验以及冲刷（吹净）要领。
Please explain the method of field test and flushing (blowing off) of the pipelines.
请说明管线的现场试验和冲洗(吹净)方法。
This is the result of a small flow rate and a shorter flushing time.
这是一个小流量的成果，缩短冲洗时间。
This is the result of a small flow rate and a shorter flushing time.
这是一个小流量的成果，缩短冲洗时间。
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