在催化裂化过程中为促进高沸点烃类转化成低沸点烃类所用的催化剂。
Catalyst for promoting conversion of high-boiling hydrocarbons into lower-boiling types in catalytic cracking process.
在催化裂化过程中为促进高沸点烃类转化成低沸点烃类所用的催化剂。
Catalyst for promoting conversion of high-boiling hydrocarbons into lower-boiling types in catalytic cracking process.
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