fluid viscosity ratio

例句：

1. 1.The engineer used a special fluid to reduce the friction between the moving parts.
   工程师使用一种特殊的流体来减少移动部件之间的摩擦。
2. 2. The new design has a higher fluid viscosity ratio, which means it can better withstand high loads.
   新设计具有更高的流体粘度比，这意味着它能够更好地承受高负载。
3. 3. The researchers found that the fluid viscosity ratio could affect the performance of the material.
   研究人员发现，流体粘度比会影响材料的性能。