Drought Switch: Automatic shutdown and alarm when water supply is interrupted to protect the pump.
干旱开关：自动关机和报警时，供水中断，保护泵。
The application of PLC in automatic control of pump house in tank farm is introduced.
介绍了油库实时监控系统的系统配置、应用软件构成及功能。
The application of PLC in automatic control of pump house in tank farm is introduced.
介绍了油库实时监控系统的系统配置、应用软件构成及功能。
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