通过正交试验等实验方法进行优化，确定出最佳配方和工艺条件。

Ways of guarantee period experiments are tried to determine the optimum guarantee period.

youdao

通过正交试验等实验方法进行优化，确定出最佳配方和工艺条件。

Ways of guarantee period experiments are tried to determine the optimum guarantee period.

youdao