optimization of mix proportion

• 配合比优化

optimization of mix proportion的用法和样例：

例句

1. The simulated results are in good accordauce with the experiments.The stuties offer the proof for the parameter optimization in body light weight and nugget quality control.
   试验表明，所建模型的模拟结果与实际是相吻合的，为今后管板电阻点焊工艺参数优化及车身轻量化中管板厚度比优化提供有效依据。