油田站场的污油罐一般体积较小，如不及时启泵排污，极易发生污油罐溢流事故。
The volume of waste oil tank at station of oilfield is commonly small. If waste oil is not promptly pumped out, the waste oil overflow accident would happen.
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。
Three functions of fire hydrant buttons in fire fighting joint control system are discussed and direct pump start is highlighted.
零星流量时，通过旁通管直供水，无需启泵，节水，全封闭系统无渗漏，不需维护水池。
Sporadic flow of water through the bypass pipe straight without Kai pumps, water-saving, all-closed system without leakage, without the maintenance of pools.
这种变形在真空泵启停时发生。
This deformation happens when the vacuum pump is switched on and off.
注意：在泵排泄口，首选的止回阀是管内弹簧负载，带杠杆和压铁或杠杆和弹簧的旋启式止回阀。
Note: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.
注意：在泵的排泄口处，首选的止回阀是管内弹簧负载，旋启式，配置杠杆和重量或杠杆和弹簧。
Note: on pump discharge, the preferred check valves are an in - line spring loaded, swing design with lever and weight or lever and spring.
注意：在泵的排泄口处，首选的止回阀是管内弹簧负载，旋启式，配置杠杆和重量或杠杆和弹簧。
NOTE: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.
注意：在泵出口处，首选止回阀是管内弹簧负载，配置杠杆和重量旋启式结构，或杠杆和弹簧旋启式结构。
NOTE: On pump discharge, the preferred check valves are in-line spring loaded, swing design with lever and weight or lever and spring.
在泵出口处，首选止回阀是管内弹簧负载，配置杠杆和重量旋启式结构，或杠杆和弹簧旋启式结构。
On pump discharge, the preferred check valves are in-line spring loaded, swing design with lever and weight or lever and spring.
自动控制时，PLC根据进水压力传感器提供的压力信号，判断是否启、停加压泵。
Under automatic control mode, the PLC judges whether opened or stopped the pressure pumps by the pressure signal which provided by hydraulic pressure sensor.
自动控制时，PLC根据进水压力传感器提供的压力信号，判断是否启、停加压泵。
Under automatic control mode, the PLC judges whether opened or stopped the pressure pumps by the pressure signal which provided by hydraulic pressure sensor.
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