“底封”的概念、定义、翻译、参考文献-科学参考

单词	底封
释义	底封 underseal
随便看	boron (B) boron bormide boron capsule diffusion boron carbide boron cast-iron boron chamber boron deficiency boron diffusion boron doped silica boron-doping boron-dopped layer boron family boron fiber boron filament boron fluoride boron fluoride etherate boron-free glass boron fuel boron glass boron hydride boron hydride poisoning boron iron boron-lined counter boron neutron detector boron nitride

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