钢筋骨架网衬砌模注砼及初期锚喷砼支护,采用水泥裹砂半湿式喷砼法;
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.
钢筋骨架网衬砌模注砼及初期锚喷砼支护,采用水泥裹砂半湿式喷砼法;
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.
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