The present invention relates to the technical field of hydraulic valve, which particularly relates to a pilot operated unloading valve.

本发明涉及液压阀技术领域，具体涉及一种先导式卸荷阀。

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The structure characteristics and operation principium of new type pilot operated all open safety valve under low pressure and vibration working conditions are introduced.

介绍一种在超低压和振动条件下工作的先导式全启安全阀的结构特点及工作原理。

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From the view of flow control, the method of cavitation resistance of a pilot-operated water hydraulic valve was investigated.

从流场控制的角度，研究了先导式纯水溢流阀抑制汽蚀方法。

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For the last three years, Kempton has operated a pilot project at the University of Delaware, partnering with PJM and a couple of utilities, in which seven electric cars interact with the grid and receive monthly payments.

FORBES: The Cash-Back Car: Monetizing Electric Vehicles

While the aircraft will have two safety pilots on board, the flights will be operated by on-board systems supervised by a ground-based observer pilot.

FORBES: Pilot-Optional Flight Is Closer Than You Think