及门
- adj.formerly acknowledge sb. as one's master
- 网络door-to-door
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及门
formerly acknowledge sb. as one's master
door-to-door
公车系统可以提供门及门(door-to-door)服务,可及性高及性高;有轨系统可提供轨道路线上大量运能的服务,运输效率高。相 …
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