English translation for "prerefining"

初步提纯 预先精炼
预精炼
预精制

Similar Words：

"prereductional" English translation, "prereductional disjunction" English translation, "prereductional division" English translation, "prereductional separation" English translation, "prereductionofironore" English translation, "preregeneration" English translation, "preregeneration system" English translation, "preregistered" English translation, "preregisteroperation" English translation, "preregistration" English translation