Through using TC-3C hoist safety performance tester to test the mine hoisting system and its variable quality, the calculation methods, measurement methods, causes of errors and measures to improve measurement accuracy were introduced, analyzed and discussed.%通过用TC-3C提升机安全性能检测仪对煤矿提升系统及其变位质量的检测，将变位质量的计算方法、测量方法、产生误差的原因及提高测量精度的措施进行了简单介绍、分析和探讨。
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