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
向前行驶踏板阀
forward travel pedal valve
行驶踏板控制阀
travel pedal control valve
行驶踏板控制阀简图
travel pedal control valve schematic
行驶踏板控制阀壳体
travel pedal control valve housing
柴油机机油冷却器
diesel oil cooler
lube oil cooler for diesel engine
发动机机油油槽区
engine oil sump compartment