英语翻译2,对于批次货物为块状,平均粒度30mm,最大粒度100mm的采用倒包取样.
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For batch goods for more than 5 mm powder, particle size, and the size of the largest group 25 mm by sampling intubation.
For batch goods for massive, the average particle size 30 mm, the largest size of 100 mm by DaoBao sampling.