grades of raw cotton 中文意思是什麼
grades of raw cotton
解釋
原棉等級-
Raw materials like virgin non - ferrous metals, and some items of produce, such as raw cotton, vegetables oils and wheat, can be accurately graded, and the grades remain the same, year in, year out
原材料,比如原生有色金屬,以及一些農產品,比如原棉,植物油和小麥,能夠被細分,而且等級年復一年保持不變。
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