您要查找的是不是：
- 挂车trailer
- 半挂车semi-trailer
- 制动阀brake valve
- 制动阀杆brake valve kon
- 制动阀芯brake valve spool
- 手制动阀hand brake valve
- 农用挂车agricultural commodity trailer
- 气制动阀Pneumatic brake valve
- 半拖挂车semi-trailer
- 制动阀测试brake valve testing
- 半挂车牵引车dromedary
- 自动制动阀automatic brake valve
- 半挂车前回转半径front fitting radius of semi-trailer
- 弹性制动阀spring brake valve
- 一辆用作流动性的借书图书馆的货车、挂车或有篷运货箱a truck,trailer,or van equipped to serve as a mobile lending library
- 快动制动阀direct admission valve
- 特种挂车special trailer
- 脱轨制动阀derail brake valve
- 半挂车牵引销kingpin
- 单独制动阀independent brake valve
