bightloop wireloopingreturn linereturn wireschort回: circle; wind线: thread; string; wire回线,回线循环: loop北回线: north-link line地回线: earth return line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:回线,即可在微信中查询翻译