短語詞組短語spent FCC catalyst residue 廢spent -catalyst hopper 用過的催化劑料鬭spent methanol catalyst 廢甲醇催化劑spent nickel catalyst 廢鎳催化劑Spent alumina catalyst balls 鋁制球spent FCC catalyst 廢FCC催化劑spent refinery catalyst 鍊油廢催化劑spent vanadium catalyst 廢釩催化劑 返回 spent catalyst