英语词汇“protective face mask”的翻译、意思、用法、释义-英汉汉英双解词典-精炼在线网

词汇	protective face mask
释义	protective face mask 基本例句防护口罩 Many medical facemasks, not approved as respirators, do not seal tightly to the face allowing airborne hazards to enter the breathing zone.许多没有被批准作为呼吸防护口罩的医用口罩，不能与面部密合，空气污染物会直接进入呼吸道。
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