电磁操纵流量控制阀
solenoid operated flow control valve
压力补偿流量控制阀
pressure compensated flow control valve
微流量控制系统
micro flow control system
提升器油缸流量控制阀
lift cylinder flow control valve
数字流量控制阀
digital flow control valve
数字闭环流量实时控制系统
digital closed loop current capacity real-time control system
流速控制的安全阀
velocity-controlled safety valve
流量控制顺序阀
priority flow control valve