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dissolved acetylene cylinder
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dissolved acetylene cylinder
Encyclopedia
工学
乙炔气瓶(简称乙炔瓶)
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dissolved acetylene cylinder
乙炔气瓶(简称乙炔瓶)
装有专用瓶阀、佩戴专用瓶帽、带安全装置(易熔合金塞座)、内含填料、注有丙酮或待注丙酮的用以贮运溶解乙炔的容器。简称乙炔瓶。
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history of Chinese economic thoughts
history of Chinese education
History of Chinese Epigraphy, block-printed edition on document paper by the magistrate's mansion of Longshu Prefecture, Chunxi era, Song Dynasty
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History of Chinese Ethics
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History of Chinese Film
History of Chinese Fine Arts
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history of Chinese great canal
history of chinese landscape architecture
history of Chinese language
History of Chinese Literary Historiography
History of Chinese Literature
History of Chinese literature
History of Chinese Literature from the Pre-Qin Period to the Southern and Northern Dynasties
history of Chinese minority medicine
history of Chinese mitten crab culture in China
history of Chinese modern printing
history of Chinese modern psychology
History of Chinese monetary theory
History of Chinese Music
History of Chinese Music and Literature
history of Chinese nation and nationalities
History of Chinese Opera Troupes
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更新时间:2026/3/1 4:14:59