The second would be the high level of design quality of all engineering aspects of high speed railway projects so that project implementation is carried out without any technical changes.
二是确保高速铁路项目工程设计各方面的高质量，从而使项目可以顺利实施，无须做任何技术变更。
The second would be the high level of design quality of all engineering aspects of high speed railway projects so that project implementation is carried out without any technical changes.
二是确保高速铁路项目工程设计各方面的高质量，从而使项目可以顺利实施，无须做任何技术变更。
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