A summer read to be kept-and revisited in the dark days of winter.
夏天的阅读一直延续，在黑暗的冬日里再次回味。
Nitrate stable, easy to see the light decomposition, should be dark brown bottle kept in the shadows, forbidden and reducing agent contacts.
硝酸不稳定，易见光分解，应在棕色瓶中于阴暗处避光保存，严禁与还原剂接触。
Nitrate stable, easy to see the light decomposition, should be dark brown bottle kept in the shadows, forbidden and reducing agent contacts.
硝酸不稳定，易见光分解，应在棕色瓶中于阴暗处避光保存，严禁与还原剂接触。
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