英语词汇“protective face mask”的翻译、意思、用法、释义-英汉汉英双解词典-良福网

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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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