请修正ITS surveyors randomly take 2-3 bags of samples from each lot based on the size ratio of the lot to create a mixed composite sample
ITS surveyors randomly select 2-3 bags of samples from each lot in proportion to the size of the lot, and then combine them to create a mixed composite sample.
原文地址: https://www.cveoy.top/t/topic/fH7n 著作权归作者所有。请勿转载和采集!