- 1. If the incoming and outgoing line ends are copper spacers, the soft bus connects the copper pad with the coupling panel.
- 开关的进线端和出线端是铜垫块时，铜垫块和联接板之间连接有软母线。
来自互联网
- 2. If the incoming and outgoing line ends are copper spacers, the soft bus connects the copper pad with the coupling panel.
- 开关的进线端和出线端是铜垫块时，铜垫块和联接板之间连接有软母线。
来自互联网
