对于一个复杂的工程设计自动化系统，这部分工作量相当大。

But, for a complex engineering automation system, the amount of the job is enormous.

youdao

对于一个复杂的工程设计自动化系统，这部分工作量相当大。

But, for a complex engineering automation system, the amount of the job is enormous.

youdao