Knudsen's burette

例句：

1. 1. This is a Knudsen's burette that I used to test the acidity of the solution.
   这是我用来测试溶液酸性的克努德森滴定管。
2. 2.The chemist used a Knudsen's burette to measure the concentration of the solution.
   化学家使用克努德森滴定管来测量溶液的浓度。
3. 3. In this experiment, we will use a Knudsen's burette to accurately measure the volume of the liquid.
   在这个实验中，我们将使用克努德森滴定管来准确测量液体的体积。