earth returnground returnland return地面: the earth's surface; ground回路: return circuit; return; loop ...地面回波: ground echo; ground return; terrain echo地面回风口: floor grille地面回旋处: grade roundabout; graderoundabout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:地面回路，即可在微信中查询翻译
