有关仪表的翻译? for exemple, a single level sensor used for both bpcs and sis high level trip could create a demand if the sensor fails low(i.e. below the set point of the level controller.).2 t; w; s0 e9 v 如果bpcs(basic process control system)和sis高液位联锁共用一台液位变送器,那么当变送器出现问题时,就会产生一个demand了,demand什么意思,得看前后文吧?查看更多