英语词汇protection ratio是什么意思，protection ratio的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	protection ratio
释义	protection ratio　【计】保护比
随便看	borg borg Borgery's ligament Borghese borghese boric boric boric boric acid boric acid boric acid boric acid ester boric acid latex boric acid solution boric anhydride boric lint boric oxide boric spar borickite boride boride cathode boride cement boride ceramics borides boriding

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