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过滤器，防止由于止回阀总成受到
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过滤器，防止由于止回阀总成受到导致这种阀门在再增压间产生泄漏或溢出。
声明：
句、词性分类均由互联网资源自动生成，部分未经过人工审核，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。
