spent catalyst

短语词组

短语

• 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
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