管脚

例句：

1. 1. The circuit board needs to be connected to the motherboard with pins.
   电路板需要用针脚连接到主板上。
2. 2. The new phone has a sleek design with a metal connector at the back.
   新款手机设计简洁，背面有一个金属连接器。
3. 3. The technician carefully removed the screws from the computer's case and replaced them with new connectors.
   技术员小心地从电脑机箱中取出螺丝并用新的连接器替换它们。