连接装置；尤指连接铁路车厢的车钩。
couplers — plural of coupler
连接装置；尤指连接铁路车厢的车钩。
连接装置；尤指连接铁路车厢的车钩。
Anything that serves to couple things together; but especially a device that couples railway carriages.
连接风琴两个键盘使其同时发声的装置。
A device that connects two keyboards of an organ together so that they play together.
将电子信息转换为可经电话线传输的声频信号的装置。
A device used to convert electronic information into audible sound signals for transmission over telephone lines.
用于在电气设备间传递能量(尤其无物理连接)的电气装置。
An electrical device used to transfer energy from one electric device to another, especially without a physical connection.
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