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China/Asia On Demand
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fu bu zhang qi chi shi me
Pages: 70
Year: Issue:  2
Journal: ZHONGHUA YANGSHENG BAOJIAN

Abstract: 在众人面前,不经意的排气,有时又响又臭,在震惊四座之余,当场会让人既尴尬又难堪.如果状况连连,也难免会让人担心肠胃到底是怎么了?这种肚子里的乌烟瘴气是以氮氧、二氧化碳、氢、甲烷等为主,约占肠气的百份之九十九,通常无味;少数稀有气体如硫化氢、氨气等则占不到百份之一,却具有臭味.
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