Relevant figure is given through calculation;it provides a theoretical basis for not running in air-lock and cavitation conditions, and working in the condition of suffici...

• 通过计算给出了有关图表,为避免在气阻、气蚀条件下运行,以及在具备吸入能力条件下进行工作提供了理论依据,为吸入装置的设计与泵的选型提供了方便。