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气压脉冲法是给水管道清洗的一种既方便、效果又好的方法。
The barometric pulse pressure method is a handy and effectual way for water pipe cleaning .
youdao
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气压脉冲法是给水管道清洗的一种既方便、效果又好的方法。
The barometric pulse pressure method is a handy and effectual way for water pipe cleaning .
youdao