wear-and-tear gauge

例句：

1. 1. This wear-and-tear gauge is used to measure the wear of materials during use.
   这种磨损量计用于测量材料在使用过程中的磨损程度。
2. 2.The engineers developed a wear-and-tear gauge that can accurately predict material failure.
   工程师们开发了一种磨损量计，可以准确预测材料的失效。
3. 3.The company uses this wear-and-tear gauge to monitor the performance of its machinery over time.
   该公司使用这种磨损量计来监测其机械设备随时间的性能表现。