英语词汇“fire door protection ring”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	fire door protection ring
释义	fire door protection ring 英?[?fai? d?: pr??tek??n ri?] 美?[fa?r d?r pr??t?k??n r??] 释义炉门护圈
随便看	utility level utility light utilitylike utility line utility line (supply line) utility line, supply line utility logger system utility man utilityman utility management utility map utility mapping utility marker utility maximization utility maximization theory utility-maximizing utility maximizing rule utility-maximizings utility measurement utility-measurement experiments utilitymen utility men utility meter utility mobile station utility model

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