closed echo是什么意思、英文翻译及中文解释大纲 本文已影响 0人 closed echoing-bottom: 75%;"> 词语: closed echo解释: 近回波词性: 名词词典: 电信专业英汉词典 closed echo 相关解释 closed echo 〔名词〕近回波 近回波 closed echo;near echo