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利用高精度压电加速度传感器和微型计算机系统。对内燃机曲轴进行高精度动平衡，曲轴的动平衡精度内达3g·cm，相位误差小于2°。
Utilize high-precision piezoelectric accelerometers and microcomputer systems. Crankshaft for high-precision internal combustion engine crankshaft dynamic balancing accuracy of 3g · cm, the phase error of less than 2 °.