讨论了双层客车上层客室地板的结构方案及振动特性。

This paper presents the structure scheme and vibration specific of top floor of double-decked train.

youdao

讨论了双层客车上层客室地板的结构方案及振动特性。

This paper presents the structure scheme and vibration specific of top floor of double-decked train.

youdao