When this is done, the water freezes first , leaving the salts in the remaining unfrozen solution.

  • 局部冷冻法是使盐水部分冷冻,这时先行冷冻的是水, 盐则留在未曾冻结的液体中.

  • 互联网摘选 2025-01-19 11:06:12

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