viscosity recorder

例句：

1. 1. The viscosityrecorder was used to measure the fluidity of the oil.
   粘度记录器被用来测量油的流动性。
2. 2. Theviscosity recorder was used to study therheology of the material.
   粘度记录器被用来研究材料的流变学。
3. 3. The viscosity recorderwas used to analyze the behavior of thefluid under different conditions.
   粘度记录器被用来分析流体在不同条件下的行为。