• Many site tests have also proved that the strength of anchor and shotcrete support is much greater than that of conventional in situ concrete lining.

    通过多次现场试验证明支护混凝土支护能力相同条件下要大得多

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  • The re bar net preliminary lining mould shotcrete and preliminary and anchor shotcrete are used for support by the use of the semi wet spraying method with sand entrapped in cement.

    钢筋骨架衬砌注砼初期锚喷砼支护,采用水泥裹湿式

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  • The re bar net preliminary lining mould shotcrete and preliminary and anchor shotcrete are used for support by the use of the semi wet spraying method with sand entrapped in cement.

    钢筋骨架衬砌注砼初期锚喷砼支护,采用水泥裹湿式

    youdao

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