A strainer is recommended to be installed ahead of the backflow preventer to prevent the fouling of the check assembly and resulting spillage from the valve during repressurization.
建议在防回流阀前安装一个
，防止由于止回阀总成受到污染而导致这种阀门在再增压
间产生泄漏或溢出。
A strainer is recommended to be installed ahead of the backflow preventer to prevent the fouling of the check assembly and resulting spillage from the valve during repressurization.
建议在防回流阀前安装一个，防止由于止回阀总成受到污染而导致这种阀门在再增压间产生泄漏或溢出。
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生成，部分未经
人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
