在此基础上，提出了两段提升管催化裂化新概念，并分析了其技术优势。

Based on the analysis, the new concept of two-stage riser fluid catalytic cracking (TSRFCC) was proposed, and the advantage of the TSRFCC technology was analyzed.

youdao

在此基础上，提出了两段提升管催化裂化新概念，并分析了其技术优势。

Based on the analysis, the new concept of two-stage riser fluid catalytic cracking (TSRFCC) was proposed, and the advantage of the TSRFCC technology was analyzed.

youdao