The test stand prepares the ground for a through investigation into drill pump valves.
试制的实验室用泵阀试验台为深入开展钻井泵泵阀的理论研究创造了条件。
The guide rule and general plan to design a laboratorial test stand for drill pump valves are expounded, and the regulation and calculation of the system pressure of the stand are discussed.
系统地阐述了钻井泵泵阀试验台的设计指导思想和设计方案的确定依据，并介绍了试验台系统压力的调节方法和计算公式。
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