backing up of the needle是什么意思、英文翻译及中文解释 本文已影响 1.3K人 backing up of the needle 词语: backing up of the needle解释: 退针词性: 名词词典: 中医专业英汉词典 backing up of the needle 相关解释 退针 bac king up of the needle;backing up of the needle