Beatbot's new Sora 70 packs premium features like surface skimming, self-floating retrieval, and extended battery life into a ...

Abstract: Fast-switching seat valves suitable for digital hydraulic pumps and motors utilize direct electromagnetic actuators, which must exhibit superior transient performance to allow efficient ...

Abstract: Water injection development is the main development mode of Shengli Oilfield. Reciprocating pump is the key equipment to increase injection pressure, but there are problems such as pump ...