knob knuckle

• 转向节

knob knuckle的用法和样例：

例句

1. Install the brake rotor shield to the knuckle.
   向转向节上安装煞车分火头护罩。
2. FEM analysis of the extrusion-forging process for an automobile knuckle is also introduced.
   针对汽车转向节的挤压锻造进行的有限元分析。