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预应力钢铰线群锚 (VLM、QM、OVM )体系及其施工操作工艺、步骤、质量标准和注意事项。对预应力值的建立有着十分重要的意义。
Prestressed steel wire group anchor (VLM, QM, OVM) system and its construction operation process, procedures, quality standards and precautions. The establishment of prestress value is of great significance.