英语词汇“un and na numbers”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	un and na numbers
释义	UN and NA numbers UN and NA numbers [ United Nations; North America] A unique four-digit code used in international shipping to identify hazardous substances, e.g., explosives, flammable liquids, and toxic substances.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

UN and NA numbers