超声辅助助剂提取技术
ultrasounic extraction technology
反铲辅助阀截面
backhoe auxiliary valve section
辅助阀
auxiliary valve
booster valve
flow control valveby-pass valve
service valve
secondary valve
Auxiliary valves
by-pass valve
辅助阀安全阀调定
auxiliary valve relief valve setting
辅助停堆系统
Auxiliary shut-down system
secondary shutdown system
辅助停放制动器按钮
secondary parking brake knob
辅助停放制动器杠杆
secondary parking brake lever
辅助停放制动器开关
secondary parking brake switch
辅助停放制动器空气罐压力
secondary parking brake air reservoir pressure
辅助停放制动系统
secondary parking brake system