fail to the trip position 如何理解?(关于安全控制)? differential pressure transmitters are “smart” and have been specified to fail to the trip position. 具体怎么翻我不把握,不过这里前文的backflow preventer 就是指下面提到的block valve 或vent valve, 而dpt(differential xx) 是和preventer联锁的.压差变送器不能超过最大压差设定值,否则失效,启动preventer,防止甲烷气返流到集气箱(分配站).查看更多