spent catalyst
短语词组
- spent FCC catalyst residue 废
- spent -catalyst hopper 用过的催化剂料斗
- spent methanol catalyst 废甲醇催化剂
- spent nickel catalyst 废镍催化剂
- Spent alumina catalyst balls 铝制球
- spent FCC catalyst 废FCC催化剂
- spent refinery catalyst 炼油废催化剂
- spent vanadium catalyst 废钒催化剂 返回 spent catalyst