“gas mask”的概念、定义、翻译、参考文献-科学参考

单词	gas mask
释义	gas mask Encyclopedia 工学安全设施释 gas mask防毒面具保护人员呼吸器官、眼睛和面部免受毒剂、生物战剂、细菌武器和放射性灰尘等有毒、有害物质伤害的个人防护器材。
随便看	elementary symmetric functions elementary symmetric polynomial elementary syntax elementary system elementary theory elementary theory of numbers elementary tissue elementary tone elementary topological Abelian group elementary topology elementary topos elementary transcendental function elementary transformation elementary transformation of a matrix elementary translation elementary unit elementary variation elementary vocational education elementary volume elementary wave elementary work element at infinity element bioavailability analysis for geochemical samples Element comparison method element composition of crude oil

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