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279346690金蟲 (正式寫手)
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[求助]
The solid was dried in a desiccator over concentrated H2S04 for 2 days.
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| 如題,想請(qǐng)教下The solid was dried in a desiccator over concentrated H2S04 for 2 days.這個(gè)具體是什么意思呢?怎么操作,謝謝各位! |
鐵桿木蟲 (文學(xué)泰斗)
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