短語詞組短語extracting techniques 提取工藝extracting tank 提取罐Extracting craft 提取工藝extracting equipment 萃取設(shè)備pile extracting 拔樁extracting technique 提取工藝skeleton extracting 骨架提取rent extracting 提出了尋租理論extracting pump 抽吸泵extracting agent 萃取劑；提取劑extracting solution 提取液extracting solvent 萃取溶劑 返回 extracting