Using fine diameter boron, coating boron and adding other ingredient into the boron based fuel rich propellants can increase employed efficiency of boron.
在含硼推进剂中使用细粒径的硼,对硼进行包覆并添加其它组分,可提高硼在推进剂中的利用效率。
Artificial polycrystalline diamond is made up of many fine diamond, and to the diamond to the ingredient, known as polycrystalline or poly crystalline.
人造金刚石聚晶是由许多金刚石细粒构成,并以金刚石以主要成份,通称为聚晶或聚晶体。
Artificial polycrystalline diamond is made up of many fine diamond, and to the diamond to the ingredient, known as polycrystalline or poly crystalline.
人造金刚石聚晶是由许多金刚石细粒构成,并以金刚石以主要成份,通称为聚晶或聚晶体。
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