plastic part

例句：

1. 1.The new car has a plastic part that can be easily replaced.
   这款新车有一个可以轻易更换的塑料部件。
2. 2. The engineer used a plastic part to fix the broken pipe.
   工程师用一个塑料部件来修复破裂的管道。
3. 3.The company is developing a new plastic part for its new product line.
   该公司正在开发一种新的塑料部件，用于其新产品线。