duplex parts

例句：

1. 1. The design of the new car featuresa duplex parts arrangement that enhancesfuel efficiency.
   这款新车的设计采用了双组件布局，提高了燃油效率。
2. 2. The constructionof the bridge involved theassembly of many duplex parts, each carefully tested before installation.
   这座桥梁的建设涉及了许多双组件的组装，每个组件在安装前都经过了仔细的测试。
3. 3. The engineers designed the machinewith a focus on minimizing thenumber of duplex parts, which wouldreduce maintenance costs.
   工程师们设计这台机器时，重点在于尽量减少双组件的数量，以降低维护成本。