提出梯线方案的枚举数。

This paper develops the enumeration number of ladder track.

youdao

离入口处不远，安排了垂直动线系统，如电扶梯与访客专用的玻璃升降梯等。

Situated slightly behind the entrance areas, are escalators and glass lifts for clients.

youdao

离入口处不远，安排了垂直动线系统，如电扶梯与访客专用的玻璃升降梯等。

Situated slightly behind the entrance areas, are escalators and glass lifts for clients.

youdao