When selecting the rotational speed of the dynamic balancing machine, there are many factors to consider.
选择动平衡机的转速时，要考虑的因素很多。
Thus, Calculating the critical rotational speed of the helix ditching machine.
由此，推导出立轴柱形变螺距螺旋开沟机的临界转速。
The idea of modern machine tools design is: high rotational speed, high accuracy and low noise etc.
现代机床的设计理念是：高转速、高加工精度、低噪声。
The idea of modern machine tools design is: high rotational speed, high accuracy and low noise etc.
现代机床的设计理念是：高转速、高加工精度、低噪声。
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