reducing pipe fitting 异径管配件
The author proposes a sectional line fitting to re - place the polynomial curve fitting, which results in simplifying establishment of mathematical model and reducing the amount of calculation work.
作者在最小二乘法的基础上，提出分段直线拟合算法来代替多项式曲线拟合，从而达到简化数学模型的建立和减少计算量的目的。
A fan-shaped gate was used for feeing in the injection mold with two cavities for kitchenware fitting, enhancing uniformity of material feeding and reducing internal stress of the plastic parts.
在一模二腔的厨具塑料配件注塑模结构中，采用扇形浇口进料，提高了进料的均匀性并降低了塑件的内应力。
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