介绍了国内输油管线泵的概况，并提供了多级中开式输油泵的水力设计公式和性能曲线。
The general situation of domestic oil line pumps is presented, the hydraulic design formulas and performance curves of the multistage impeller pumps are given.
介绍了国内输油管线泵的概况，并提供了多级中开式输油泵的水力设计公式和性能曲线。
The general situation of domestic oil line pumps is presented, the hydraulic design formulas and performance curves of the multistage impeller pumps are given.
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