alumstone

常见例句

双语例句

• The tests of extraction aluminium from alum stone with alkali fusion method were carried out.
  对用碱熔法从明矾石中提取铝进行了实验。
• Since all forms of potassium alum are soluble in water, when the stone is wet or applied to wet skin, an invisible, fine layer of the mineral is rubbed off the stone and applied to the skins surface.
  因为各种状态的钾明矾都能溶于水，当把它弄湿或接触湿皮肤时，会有一层肉眼看不见的细腻矿物层从钾明矾表面脱落，吸附到皮肤表面。
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