结果表明，由于球化不良而产生的不均匀带状碳化物是造成气门电镦质量问题的重要因素之一。
The results show that the uneven distribution banded carbide due to abnormal spheroidization is one of important factors causing the quality problems of the valves after electric upsetting.
任何转子在围绕其轴线旋转时，由于相对于轴线的质量分布不均匀而产生离心力。
When a rotor rotates around its axis, the centrifugal force is produced due to the uneven distribution of mass relative to the axis.
何转子在围绕其轴线旋转时，由于相对于轴线的质量分布不均匀而产生离心力。
When the rotor is rotating around its axis, the centrifugal force is produced because of the uneven mass distribution with respect to the axis.
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