管道布置上面的一句话? 各位朋友,小弟在翻译一个管道布置上规范。有一句话太老火了!我晕了!请大家帮忙看看!! For steady flow in large lines discharging against high heads, or where back-flow may occur which can induce severe hydraulic hammer, weighted swing checks shall be used to ensure closing prior to occurrence of back-flow.查看更多7个回答 . 5人已关注