英语词汇class of contamination怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	class of contamination
释义	class of contamination 简明释义污染级别网络释义 1 ?污染等级污染等级双语例句 1 Article 19: Measures shall be taken to protect against cross contamination of personnel and materials entering or leaving clean rooms (areas) of different cleanliness class. 第十九条不同空气洁净度等级的洁净室(区)之间的人员及物料出入，应有防止交叉污染的措施。
随便看	Aspredinidae asprella Aspremont Aspres asprete as pretty as pretty as a picture as pretty as paint as previously seen as previously stated Asprey asprilla Asprimox Asprin Asprin Calcium-Urea Powder as principal aspring a spring chicken a spring in your step Asprières aspro as promised Aspromonte aspron Aspropotamos

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