The paper briefly introduced a special communication system with full services, which combined transmission and access and integrated the trunk network with station and yard networks.

简要介绍了集传输与接入、干线与站场一体化的专用通信结构模式的全业务专用通信系统。

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Mr Hammond said the Hindead Tunnel was one of the missing links in Britain's trunk road network.

BBC: Hindhead Tunnel

As the bridges are part of the motorway and trunk road network, this would be the responsibility of the Welsh government.

BBC: Concern over Briton Ferry M4 and A48 bridge fall deaths

For instance, it provides asphalt and road surfacing services for the Highways Agency trunk road network and it picks up rubble from demolition jobs.

BBC: UK economy: Two views of the recession