extraction column是什么意思 extraction column怎么读
extraction column的用法和样例
- The column is surmounted by a statue.
柱顶上树立了一尊雕像。 - The structure and surface property of packing have distinct effect on packed bubble extraction columns.
填料的结构与表面性能对鼓泡填料萃取塔性能有直接影响。
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