The design of bearing flange structures has a significant effect on saving cost and lightweight of heavy load gearbox.
重载变速箱支承法兰盘的结构设计对节约成本、减小箱体整体重量有着重要的影响。
Therefore, in order to improve the efficiency of cost control and achieve the cost control effect, we should pay attention to the cost control study in the product design stage.
所以，为了提高成本控制效率，达到成本控制效果，我们应该注重产品设计阶段的成本控制研究。
The orthogonal test design method is very suitable to be popularized and applied in minor enterprises because of its features of scientific method, easy operation, lower cost and striking effect.
正交试验设计法以其方法科学、操作简便、费用节省、效果显著等特点，十分适合在小企业推广运用。
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