According to the different use of the situation, to clean the air filter, the method can be used in high pressure air from the inside out, the filter dust blowing out.
依据不一样的运用情况，要定时清洁空气滤芯，可运用的办法有高压空气由里向外吹，把滤芯中的尘埃吹出。
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。
Based on the experience of the author, a method, by using water and gas, of blowing from top to purge piping was presented in this article.
根据作者在管道试压和吹扫中的经验，介绍一种使用气水联合顶吹方式对碳钢管道进行试压和吹扫的方法。
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