n.可变底流逆流提取 countercurrent extraction: 反流提取,逆流萃取; 回流抽提法; 逆镣取; 逆灵提; 逆流抽提; 逆流萃取[提取variable underflow: 可变底流countercurrent extraction plant: 逆流萃取设备countercurrent extraction technique: 逆流萃取技术countercurrent solvent extraction: 反溶剂萃取下载手机词典可随时随地查词查翻译