The straightness error mathematics model has been built, then the measuring and controlling system of redirector rack automatic straightening machine has been developed.
建立直线度误差的数学模型，研制全自动校直机测控系统，并用于轻型汽车和轿车的转向器齿条的检测和校直。
The straightness error mathematics model has been built, then the measuring and controlling system of redirector rack automatic straightening machine has been developed.
建立直线度误差的数学模型，研制全自动校直机测控系统，并用于轻型汽车和轿车的转向器齿条的检测和校直。
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