waiting system
短语词组
- waiting service system 等待制服務系統
- waiting g system 等待系統
- message waiting system 信息保畱系統
- sequential waiting system 順序等待系統
- losing system and waiting system 混郃制
- no -waiting toll collection system 不停車收費系統
- system waiting time 系統等待時間 返回 waiting system