然后结合课题实际介绍了常压塔系统工艺管理和操作指导系统的设计、项目数据库的设计；

Then based on practice of the project it is introduced design of process management and operation directing system in extract atmospheric tower and design of project database.

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然后结合课题实际介绍了常压塔系统工艺管理和操作指导系统的设计、项目数据库的设计；

Then based on practice of the project it is introduced design of process management and operation directing system in extract atmospheric tower and design of project database.

youdao