在系统投产前，专门的检测部门要按照铁道部的有关标准和规范对其进行全面的测试。

Before the system being put into operation, professional test authority conducts an overall test as per relevant standards and regulations issued by Ministry of Railway.

youdao

在系统投产前，专门的检测部门要按照铁道部的有关标准和规范对其进行全面的测试。

Before the system being put into operation, professional test authority conducts an overall test as per relevant standards and regulations issued by Ministry of Railway.

youdao