摘  要：通过PLC采集高精度压力变送器监控油罐顶部压力，并根据压力采取相应的操 作，彻底避免吸瘪油罐事故并为日常维护提供数据支持。 关键词：油罐  吸瘪   PLC Abstract: By importing the high sophisticated pressure transmitter to monitor the pressure of the top part of the tank and PLC making some appropriate operations to avoid the tank suction happen absolutely and offer the data support for the daily maintenance Key Woeds: Oil tank   Sucking   PLC [登陆后可查看全文]