The spiral composition of the chip flute of the twist drill has great influence on the rigidity and intensity of drill.
麻花钻切屑槽的螺旋形布局对钻头的刚度和强度有很大的影响。
The bridge structures are sensitive to wind, the dynamic response of wind-induced vibration will be the factors of restricting the rigidity and intensity and stability.
桥梁结构对风的作用更加敏感，动力反应更加突出，结构的风致振动不足往往就成为制约结构刚度、强度和稳定性设计的因素。
The follow-up unit is the essential structure of the rack section of modal analysis test suspension system, its rigidity and intensity directly influence overall performance of system.
随动部件是模态悬挂测试系统机架部分的关键结构，其刚度和强度直接影响了整个系统的性能。
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