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通过总结国内外设计锚杆测力仪的经验 ,在大量实验的基础上 ,利用动摩擦的原理 ,开发了一种便携式锚杆预紧力测试仪 ,并已成功的在矿井应用
By summarizing the experience of designing bolt dynamometer at home and abroad, based on a large number of experiments, the principle of dynamic friction was used to develop a portable prestressing bolt tester, which has been successfully applied in mine applications