• Abstract: in order to ensure highway tunnel safety and operation in clear and maintaining a certain level of service, the traffic engineering design and perfect must give enough attention.

    摘要:为了确保公路隧道内行车安全、运营畅通和维持一定的服务水平,交通工程的设计与完善必须给予足够的重视。

    youdao

  • Abstract: in order to ensure highway tunnel safety and operation in clear and maintaining a certain level of service, the traffic engineering design and perfect must give enough attention.

    摘要:为了确保公路隧道内行车安全、运营畅通和维持一定的服务水平,交通工程的设计与完善必须给予足够的重视。

    youdao

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