... materials on hand ==> 库存材料 materials percentage method ==> 材料百分比法 materials physics ==> 材料物理学 ...
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The method not only saves time and raw materials, but also obtains better insults in conversion of mid - products and percentage of final products than normal test.
不仅省时、省料，而且在中间产品的转化及最终产物的百分含量方面都优于常规实验结果。
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