《英汉医学词典》encapsulated charcoal extraction technique 胶囊裹炭提取技术 countercurrent extraction technique: 逆流萃取技术distillation-extraction technique: 蒸馏抽提法endoscopic stone extraction technique: 内镜取石powder extraction technique: 粉末提取冶金solvent extraction technique: 溶液萃取技术下载手机词典可随时随地查词查翻译