![预订 boron carbide: structure, processing. [9781536171211]](https://i.ssjz8.com/upload/0/t13.baidu.com%2fit%2fu%3d887660561%2c2300922098%26fm%3d224%26app%3d112%26f%3dJPEG%3fw%3d500%26h%3d500 "boron carbide,boroncarbide")
预订 boron carbide: structure, processing. [9781536171211]
boron carbide powder in refractory
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