“classification of air cleanliness”的概念、定义、翻译、参考文献-科学参考

单词	classification of air cleanliness
释义	classification of air cleanliness Encyclopedia 工学食品工厂设计释 classification of air cleanliness空气洁净度等级单位体积洁净空间的空气中，按关注粒径的粒子最大浓度限值进行划分的等级标准。
随便看	Liu Xue'an Liu Xuewei Liu Xun Liu Xuyuan Liu Yan Liu Yanchong Liuyang He Liuyanghe Tunnel liuyangmycin Liuyang Shi Liu Yangzhong Liu Yanling Liu Yanshi liuyanshi Liu Yanzong Liu Yao Liuyao Liu Yaomin Liu Yazi Liuye Scores of Kunqu Opera Liu Yexiang Liu Yi Liu Yi and the Dragon Goddess Liu Yibing Liu Yichang

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