sucker rod joint

例句：

1. 1. The new design of the car has a suction rod joint that can reduce noise and improve fuel efficiency.
   这款新车采用了一种吸吮杆接头设计，可以降低噪音并提高燃油效率。
2. 2.The engineer used a suction rod joint to connect the pipes together.
   工程师使用了一个吸吮杆接头将管道连接在一起。
3. 3.The suction rod joint was designed to prevent leaks and ensure smooth operation of the machine.
   这个吸吮杆接头被设计用来防止泄漏并确保机器的顺畅运行。