respirator〔名词〕口罩,呼吸器详细»
respirator〔名词〕口罩,呼吸器,防毒面具详细»
respirator〔名词〕呼吸器,呼吸面罩详细»
respirator①口罩②防毒面具③呼吸器详细»
respirator〔名词〕呼吸器详细»
respirator〔名词〕口罩,呼吸器,防毒面具详细»
respirator〔名词〕防毒面具详细»
respirator防尘面罩，呼吸罩详细»
人工呼吸器aerophore artificial respirator inhalator spirophore详细»