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dylfgs木蟲 (著名寫手)
中郎將
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[求助]
請幫助翻譯 已有1人參與
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| 請問這句話怎么理解: All benzalkonium chloride samples were dissolved in methanol to give 0.5% solutions which were used for the GC determinations. 句中的0.5%solutions是什么意思?望不吝賜教 |

木蟲 (正式寫手)

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