traffic control system 运输调度系统，运输指挥系统 traffic control telephone 调度电话 traffic control telephone with audio frequency selective ranging 音选调度电话 ..
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traffic control telephone office equipment 调度电话总机
traffic control telephone mainswitchboard 调度电话总机
traffic control telephone
交通管制电话
以上为机器翻译结果，长、整句建议使用 人工翻译 。
For generations, infrastructure sectors and firms have been artificially segregated into regulatory silos (telephone, electricity, water, sewer, cable, railroad, airline, air traffic control).
FORBES: Alternatives To Obama's Fiscal Cliff Proposal For An Infrastructure Bank
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