提取
extract(ing),extraction(ext.,extn),draw,abstract(ion),win(从矿石中金属)◇不可提取的inextractable,部分提取partial extraction,从矿石中提取金属depletion,电解提取electrolytic extraction,electowinning分批提取batchwise extraction,可提取的*,熔盐提取fused salt extraction,水溶液提取aqueous extraction |