dupont kevlar
杜邦凯夫拉尔
以上为机器翻译结果,长、整句建议使用 人工翻译 。
DuPont's Kevlar customers include the US army.
BBC: DuPont awarded $920m over stolen trade secrets
These strands of silk, just 3 microns wide, are three times as tough as DuPont's bulletproof Kevlar.
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