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louting123鐵蟲 (小有名氣)
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[求助]
很糾結(jié)這是怎么個(gè)反應(yīng)裝置,請求幫助
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The reaction was carried out in a 25 mL two-neck roundbottomed flask equipped with a magnetic stirring bar, a thermometer and a rectifying column connected to a liquid dividing head. |
木蟲 (小有名氣)
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