本装置的主要结构是在插头和插座上装有电磁铁，并在插头和插座之间装有弹簧。

The main structure of the utility model is that an electromagnet is arranged on the plug and the socket, and a spring is arranged between the plug and the socket.

youdao

本装置的主要结构是在插头和插座上装有电磁铁，并在插头和插座之间装有弹簧。

The main structure of the utility model is that an electromagnet is arranged on the plug and the socket, and a spring is arranged between the plug and the socket.

youdao