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  • The temporary support technology of pre-support in tunnel is introduced. Its advantages and disadvantages are analyzed.

    介绍了当前隧道超前预支护技术的现状，分析了其优缺点。

    youdao

  • The temporary support technology of pre-support in tunnel is introduced. Its advantages and disadvantages are analyzed.

    介绍了当前隧道超前预支护技术的现状，分析了其优缺点。

    youdao

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