短語詞組短語biological pre -treatment 生物預(yù)處理pre -deformation treatment 預(yù)變形處理Complex pre -treatment 前處理復(fù)雜Pre -treatment Auxiliaries 前處理superplastic pre -treatment 超塑預(yù)處理reducing pre -treatment 預(yù)還原處理 返回 pre-treatment