翻译求助a full bore pattern? to facilitate this sort of work, isolating valves of a full bore pattern either side of the valve will keep plant downtime to a minimum while the work is carried out. 看来控制阀两侧有不止一个通径阀,至于为什么要如此规定,bjy看看全文或许能明白。 一般情况下就是观月所讲的---关掉控制阀前后的两个切断阀以便维护、更换等。 只从翻译角度来改下标红句: 切断该控制阀两侧任一侧的通径阀 ...... 讨论了这么多也不见楼主来总结~~~~~~~~~~fyi 查看更多