行驶踏板控制阀
travel pedal control valve
行驶踏板控制阀壳体
travel pedal control valve housing
向前行驶踏板阀
forward travel pedal valve
右边行驶控制阀
right travel control valve
左行驶控制阀
left travel control valve
动臂主控制阀简图
boom main control valve schematic
斗杆控制阀控制部分
stick control valve control section
推进器控制阀简图
propulsion control valve schematic
转盘控制阀控制
swing control valve control
倒退行驶踏板
reverse direction travel pedal
reverse travel pedal
向前行驶踏板
forward travel pedal
forward direction travel pedal