bench life of a sand mix

例句：

1. 1.The bench life of a sand mix is an important factor in determining its performance.
   砂混合的工作台寿命是决定其性能的重要因素。
2. 2.The bench life of the machine was significantly reduced due to wear and tear.
   由于磨损，机器的工作台寿命显著降低。
3. 3.To improve the bench life of the machine, we need to replace the worn parts regularly.
   为了提高机器的工作台寿命，我们需要定期更换磨损的部件。