燃油压力安全阀
fuel pressure relief valve
气动及水压压力调节器
pneumatic and hydraulic pressure regulator
压力及压力梯度分布
axial pressure gradient profile
调速器油压安全阀
governor oil pressure relief valve
调速器油压装置
governor oil pressure device
辅助转向液压油压力
supplemental steering oil pressure
高油压安全阀
high oil pressure protection valve
公用油压装置
service oil pressure device
技术规格安全油压设定
specification relief setting
石油水力压裂
hydraulic fracfuring treatment
液压油压力平衡
hydraulic oil pressure balance
液压油压力系统
hydraulic oil pressure system
油缸压力安全阀
cylinder pressure relief valve