ammonium hydrofluoride fusion method

例句：

1. 1. Themethod of using ammonium hydrofluoride to remove stains from fabric is widely used in the cleaning industry.
   使用氢氟酸铵去除织物污渍的方法在清洁行业广泛使用。
2. 2. The researchers developed a new technique for purifying water using ammonium hydrofluoride fusion method.
   研究人员开发了一种新的技术，使用氢氟酸铵熔融法净化水。
3. 3. In this study, we tested the effectiveness of the ammonium hydrofluoride fusion method in removing oil stains from carpets.
   在本研究中，我们测试了氢氟酸铵熔融法从地毯上去除油渍的有效性。