protective face mask
防护面罩
protective face mask中文，protective face mask的意思，protective face mask翻译及用法
2026-06-27 00:26 浏览次数 30
protective face mask 例句
英汉例句
this paper discussed the necessity of oil-repellent finishing of the filter with polypropylene meltblown nonwovens for protective face mask using in pesticide spraying and carried out the finishing.
讨论了农药喷施用防护口罩过滤材料熔喷聚丙烯非织造布拒油整理的必要性，进行了过滤材料的拒油整理。
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