closed ecological system是什么意思、英文翻译及中文解释 本文已影响 1.21K人 closed ecological systemj.com//tags-6420-0.html" target="_blank" >padding-bottom: 56.25%;"> 词语: closed ecological system解释: 封闭生态系,闭合生态学系统词典: 航空专业英汉词典