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本文利用二套封闭力系及子封闭力系弹性化的机械方法,在小吨位高频拉、压疲劳试验机上首次完成了超吨位试验的技术签定.
In this paper, two sets of closed-end force and sub-closed-end elastic system of mechanical methods, small-tonnage high frequency pull, pressure fatigue testing machine for the first time completed the technical test of over-tonnage.