1) travel motor valve casing
行驶马达阀筒
2) travel motor brake valve
行驶马达制动阀
3) travel motor purging valve
行驶马达清除阀
4) travel motor relief valve
行驶马达安全阀
5) travel motor valve plate
行驶马达阀片
6) travel motor
行驶马达
参考词条