Microscopic needle-shaped crystals of herapathite are embedded in a plastic base.
将碘硫酸奎宁的微观针状晶体嵌于塑料片基之中.
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Research on Processing Method and Principle of Needle-shaped Wollastonite Powder
硅灰石针状粉加工方法及原理研究
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Experiment and Study on Ultrafine Comminution for Needle-shaped Wollastonite Powder
硅灰石针状粉超细粉碎的试验研究
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And Al_2O_3 is the essential condition of the creation of needle-shaped calcium ferrite.
软熔性能,Al2O3是针状铁酸钙生成的必要条件。
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等通道转角挤压硅铝合金针状共晶硅损伤断裂实验
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