汽蒸槽是聚丙烯装置扩能改造的关键工艺设备。
Decatizing groove is a key processing component of the polypropylene device.
尿素生产装置扩能改造后，造粒塔成为扩产的瓶颈。
After the renovation of the urea unit to enlarge its capacity, the prilling tower becomes the bottleneck in capacity increase.
以国内催化重整装置扩能改造为例，探讨了改造的技术方案和改造措施。
Revamping scheme and measures of catalytic reformer have been studied taking the expansion revamping of a domestic catalytic reformer for example.
应用推荐