spillage

Eolation is an important reason of soil spillage and environmental pollution.

摘要风蚀是造成土壤流失、环境污染的重要原因之一。

This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.

种装置应该安装在供应管道或卫生洁具下游尽可能，由于临界水压环境可能产生无害排放的暂时性喷溅的地方。

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：建议在防回流阀前安装一个过滤器，防止由于止回阀总成受到污染而导致种阀门在再增压期间产生泄漏或溢出。