The criterion that should be obeyed as designing the die transition of cross wedge rolling was expounded in theory.
从理论上阐明了设计楔横轧模具过渡段应遵循的准则。
The effect of the rolling tension stress on the natural frequencies of the circular saw is discussed and the criterion to evaluate its dynamic behaviour is proposed.
从理论上探讨了圆锯片受适张度应力作用时固有频率的变化规律，提出了合理的圆锯片辊压适张度评价准则。
After site testing, we find a kind of problem diagnosing criterion for rolling bearings of damageable retarder.
通过现场测试总结并提出了一种易损减速器滚动轴承的故障诊断判据。
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