mains connection馈电线: feeder line; feeder; supply ...连接: connect; fit together; link; ...电线连接器: wire connector电线连接物: connections for electric lines列车电线连接器: electric train line coupler下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:馈电线连接，即可在微信中查询翻译
