The pelletizing nozzle of the urea unit was revamped by importing Casale nozzle in the Fertilizer of Zhenghai Petrochemical Works in 1992.
镇海石化总厂化肥厂在1992年对尿素装置中的尿素造粒喷头进行了改造。
The pelletizing nozzle of the urea unit was revamped by importing Casale nozzle in the Fertilizer of Zhenghai Petrochemical Works in 1992.
镇海石化总厂化肥厂在1992年对尿素装置中的尿素造粒喷头进行了改造。
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