prestressed cable reinforcement
prestressed cable reinforcement
预应力索筋
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In the second step, the prestressed cable is used as reinforced support to the roof plate, and the reinforcement by bolting and grouting with inside grouting bolt is applied to base Angle.
然后再采用预应力锚索对顶板进行加强支护，且对巷道底角采用内注浆锚杆进行锚注加固。
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