knuckle rod

• 活节杆,副连杆

knuckle rod的用法和样例：

例句

1. The problem of balanceable connecting rod bearings emitting heat, which is frequently told by workers in workshops, has not been solved.
   摘要针对车间频繁反映高速压力机副连杆轴承发热问题，一直没有得到解决。