结合9801型脱砷剂的应用过程及实际生产运行数据,介绍了9801型丙烯脱砷剂在我厂丙烯精制中首次工业应用的效果. The first industrial application of 9801 propylene de - arsenic catalyst in Harbin Petrochemical Company was described.
There is a heartbreaking news report about starving children.有一则关于饥饿儿童的令人心碎的新闻报导.After this heartbreaking experience, Thorpe turned to professional sports.在这次令人心碎的经历之后, 索普转向职业运动.This year we won't even be able to bu...
The flooring and landscaping will be done by contractors.地板铺设和室外美化将由承包人来做.Campus environment to achieve the " hardening, green, landscaping, clean up. "校园环境实现了 “ 硬化 、 绿化 、 美化 、 净化 ”.In practical folk embroidery and lands...