以京九铁路及南昆铁路为例，阐述了我国铁路工程建设达到的水平；
Taking the Jing-Jiu railway and Nan-Kun railway as examples, the attained standard of China railway engineering construction at present are elucidated.
以京九铁路及南昆铁路为例，阐述了我国铁路工程建设达到的水平；
Taking the Jing-Jiu railway and Nan-Kun railway as examples, the attained standard of China railway engineering construction at present are elucidated.
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