The pilot unloading valve 5 of the one-way valve can be achieved system-pressure pump and unloading.
由于先导卸荷阀5内的单向阀作用，可以实现系统保压而油泵卸荷。
2
This paper researches into the quality of the pilot relief valve of a constant pressure pump station. The conclusion reached has been proved in the building of ships.
本文研究了用先导式溢流阀作为恒压油源控制器的性能，所得结论，曾在实船的施工中获得印证。
3
The contributing factors of loading on pilot bearing of a large, vertical, axial flow pump were investigated and a calculating method of the loading was developed.