flexibly jointed chain

例句：

1. 1. The new design of the car has a flexibly jointed chain system that makes driving smoother.
   这款新车采用了一种灵活连接的链条系统，使得驾驶更加顺畅。
2. 2. The scientist used a flexibly jointed chain to connect two pieces of equipment together.
   科学家使用一种灵活连接的链条将两件设备连接在一起。
3. 3. The engineer designed a flexibly jointed chain to prevent the machine from overheating.
   工程师设计了一种灵活连接的链条，以防止机器过热。