专业医学词典
防毒面具
汉语-英语医学词典
gasmask
汉语-英语中医词典
a gas mask; gasmask
专业医学词典
box respirator; canister respirator; gas helmet; gas mask; gas-helmet; gas-mask; gaspirator; mask; mask,gas; protective cover; protective mask; protective respirator; resp; respirator

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