Flanged valves have following features: small openingstroke, small friction force when opening and shutting, and high abrasion resistance.
本阀门结构为法兰连接，具有开启行程小、摩擦力小、耐磨等特点。
2
It can be concluded that cavitation of hydraulic cartridge cone valve is reduced by increasing the openingstroke and the outlet pressure and changing the geometrical structure of valve spool.
Objective To study by modern rehabilitation evaluation the curative effect of acupuncture method of easing joint movement and opening orifices on early hemiparalysis induced by ischemic stroke.