安全阀仪表读数
relief valve gauge reading
高压侧仪表读数
high pressure side gauge reading
低压仪表读数
low pressure gauge reading
液压随动系统
hydraulic servosystem
Hydraulic servo
Electro-hydraulic servo system
hydrawlic slave system
hydraulic automatic system
电液随动系统
Electro-hydraulic servo system
Electro-hydraulic Servo-system
electrohydraulic follow up system
electrichydraulic slave system
electro-hydraulic converter
机电随动系统
Electro-mechanical servo system