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笑气 N2O Nitrous Oxide Medical use Food grade 99.9% 99.999%
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氢气 H2 hydrogen 99.999% 99.9999%
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硫化氢 H2S hydrogen sulfide 99.9%
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二氧化碳 CO2 carbon dioxide 99.99% 99.999%
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二氧化硫 SO2 sulfur dioxide 99.9%
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丙烷 Propane C3H8 99.9%
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八氟环丁烷 C4F8 Octafluorocyclobutane 99.9% ~ 99.999% Perfluorocyclobutane
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氧气 O2 99.999%
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稀有气体 Rare gas noble gas inert gas