;Note: 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.
注：建议在防回
阀前安装一个过滤
，防止由于止回阀总成受到污染而导致这种阀门在再增压期间产生泄漏或
。
,
来源防止；防止回设施Note: 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.
注：建议在防回阀前安装一个过滤，防止由于止回阀总成受到污染而导致这种阀门在再增压期间产生泄漏或。
明：以上例句、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，欢迎我们指正。
