Repair lower voltage equipments and power transmission includes tank farm pumps, main workshop and fire fighting water pump. Regular test motor and distribution cabinet insulation.

维修低压设备和给低压设备停送电，包括罐区的泵、主车间泵和消防泵泵。定期测试电机和配电柜的绝缘。

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By analyzing three fire - fighting circuit piping system, and comparing some standard, it can get advantages and disadvantages, and introduce the design of fire-fighting pump piping system.

通过对三种消防流程出水管道系统的分析，对比有关规范的规定，总结其利弊，提出消防水泵出水管道系统设计做法。

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Three functions of fire hydrant buttons in fire fighting joint control system are discussed and direct pump start is highlighted.

阐述了消火栓按钮在消防联动控制系统中的三种作用，重点探讨了它的直接启泵功能。

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