fluid damper

例句：

1. 1. The fluidity of the liquid makes it easy to mix.
   这种液体的流动性使它容易混合。
2. 2. The scientist studied the properties of different types of fluids.
   这位科学家研究了不同类型流体的性质。
3. 3. The viscosity of the fluid is crucial for its application in engineering.
   流体的粘度对于其在工程中的应用至关重要。