different grain diameter
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- 不同粒径
双语例句
- The extraction of indigo naturalis powder with different diameters was studied.
研究提取不同粒径青黛的溶出情况。 - The experimental research on the apparent conductivity of pearlite in different particle sizes and different vacuity is reported.
实验测定了不同粒径珠光砂在不同真空度下的表观导热系数。
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