英语词汇filter respirator简单造句、意思、用法及例句-英语例句辞典

单词	filter respirator
例句	英语例句库 What is the shelf life of 3M's filtering facepiece respirators? 3M随弃式呼吸防护口罩的存放期是多长时间？声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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英语例句辞典收录519880条英汉例句词条，基本涵盖了全部常用单词的造句方法及例句，是英语学习的有利工具。