最低安全水位
lowest permissible water level
低低水位
LLWL (low-low water level
低-低水位开关
low-low water level switch
低位水位指示计
igema distance water level indicator
igema gauge
泵负载安全阀位置
pump charge relief valve location
马达充灌安全阀位置
motor charge relief valve location
自动复位安全阀
automaticresetting relief valve
automatic resetting relief valve
铲刀控制阀安全阀
blade control valve relief valve
充油安全阀阀芯
charge relief valve poppet
电磁阀安全阀
solenoid valve relief valve
辅助阀安全阀调定
auxiliary valve relief valve setting
提升器电磁阀安全阀
lift solenoid valve relief valve
压力控制顺序阀安全阀
priority valve relief valve
转向阀安全阀
steering valve relief valve