moving-bed catalytic cracking

例句：

1. 1. The moving-bed catalytic cracking process is crucial for the production of high-quality petroleum products.
   移动床催化裂化过程对于生产高质量的石油产品至关重要。
2. 2. The new design of the moving-bed catalytic cracking unit has significantly improved its efficiency.
   移动床催化裂化单元的新设计已经显著提高了其效率。
3. 3. The research on moving-bed catalytic cracking technology has been ongoing for several years, with significant breakthroughs in recent years.
   关于移动床催化裂化技术的研究和开发已经进行了几年，近年来取得了重大突破。