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.
随便看	bearing point bearing pointer bearing pressure bearing range altitude aspect bearing & range indicator bearing rein bearing reins bearing resolution bearing retainer bearing ring bearing, rolling-contact bearings bearings-only tracking bearings-only tracking pseudo-linear estimator bearing specialists association bearing stone bearing strain bearing stratum bearing strength bearing stress bearing surface bearing surface wear bearing test bearing testimony bearing the burden

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