预负荷多用于角接触球轴承、圆锥滚子轴承。滚动轴承在多数场合运转状态下，应有适当的游隙使用。根据目的不同，也有在组装轴承时，预先使轴承产生内部应力，以便让轴承带有负游隙来使用。这种使用方法称作预负荷。
轴承预负荷 Bearing preload
综合预负荷 combined preload
受不良预负荷的轴承 bearing subjected to undesirable preloading
预加负荷 [力] preloading
负荷预测 load forecasting ; the load forecast ; power load forecasting
短期负荷预测 Short-term load forecasting ; STLF ; short-term load prediction
容量预负荷 volume preloading
电力负荷预测 Power Load Forecasting ; Load Forecasting ; Electric Power Load Forecasting ; Electricity Load Forecast
最后，又对预负荷空心圆柱滚动体轴承的刚度进行了研究。
At last, the rigidity of the preloaded hollow cylindrical roller bearing is researched.
结论胶体液容量预负荷预防胸段硬膜外阻滞复合全麻后低血压的效应优于等量的晶体液。
Conclusion Colloid fluid is much better than crystalloid fluid for volume preloading to prevent hypotension associated with epidural block combined general anesthesia.
分析在不同预负荷时弯曲过程中温度、应力、 残余应力的分布和弯曲角度对于变形机制的影响。
The influences of bucking mechanism caused by distribution of temperature, stress, residual stress and bucking angle are analyzed with different preloads.
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