working stability of greases

例句：

1. 1.The working stability of the oil is directly related to its quality.
   油的工作稳定性与其质量直接相关。
2. 2. The working stability of the engine is crucial for its performance.
   发动机的工作稳定性对其性能至关重要。
3. 3. The working stability of the lubricant is essential for preventing wear and tear.
   润滑油的工作稳定性对于防止磨损至关重要。