2022-04-17Txij li thaum xyoo pua 21st, bulletproof ceramics tau tsim sai nrog ntau hom, suav nrog Alumina, Silicon Carbide, Boron carbide, silicon Nitride, Titanium Boride, thiab lwm yam. Ntawm lawv, Alumina Ceramics (Al2O3), Silicon Carbide ceramics (SiC) thiab Boron Carbide Ceramics. (B4C) yog cov siv dav tshaj plaws.
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