请输入产品型号或部分型号。
This is a modal window.
Beginning of dialog window. Escape will cancel and close the window.
End of dialog window.
This is a modal window. This modal can be closed by pressing the Escape key or activating the close button.
1:48
2019/10/08
被内置在所有通信设备中的开关连接器。在制造工序中测量电路时很有用。