• It is shown that the timbering beforehand methods must be chosen carefully and adjust measures to local conditions. As a result, safe construction and lower cost are ensured.

    提出必须因地制宜、灵活地选用预支方法,达到既保证安全施工,又降低工程造价目的。

    youdao

  • It is shown that the timbering beforehand methods must be chosen carefully and adjust measures to local conditions. As a result, safe construction and lower cost are ensured.

    提出必须因地制宜、灵活地选用预支方法,达到既保证安全施工,又降低工程造价目的。

    youdao

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