dihydric造句

The method and the condition of separation epoxy ethane from dihydric alcohol are described.
介绍了环氧乙烷与二元醇的分离方法和条件.

The Preparation method of cheap aluminium dihydric phosphate and its application in refractories have been intro - duced.
提供了廉价磷酸二氢铝的制备方法,介绍了它在耐火材料中的应用.

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