low-temperature thermometry

例句：

1. 1. The low-temperature thermometer is used to measure the temperature of liquids at very low temperatures.
   低温计用于测量极低温度下的液体温度。
2. 2. In this experiment, we will use a low-temperature thermometer to measure the freezingpoint of water.
   在这个实验中，我们将使用低温计来测量水的凝固点。
3. 3.Low-temperature thermometers are essential tools for scientists and engineers working in extreme environments.
   在极端环境中工作的科学家和工程师们需要使用低温计作为必备工具。