metal lead frame

例句：

1. 1.The new car has a sleek metal lead frame.
   这款新车有一个光滑的金属框架。
2. 2. The construction of the bridge was completed with a metal lead frame.
   这座桥梁的建设采用了金属框架。
3. 3.The design of the machine is based on a metal lead frame.
   这台机器的设计基于一个金属框架。