同一走道或不同走道上使用的同种客运设备规格一致性的级别

The degree to which passenger equipment used on the corridor(s) is of similar construction.

youdao

同一走道或不同走道上使用的同种客运设备规格一致性的级别

The degree to which passenger equipment used on the corridor(s) is of similar construction.

youdao