pick-up loop耦合: coupling; interconnection; c ...圈: circle; ring直接耦合圈: directly coupled接合圈: attachment ring; band attachment; joint ring藕合圈: pickup loop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:耦合圈,即可在微信中查询翻译