isopleth of thickness

例句：

1. 1.The isopleth of thickness is acritical parameter in the design of structures.
   厚度等值线是结构设计中的关键参数。
2. 2. The isopleth of temperature isused to determine the optimal location for thecooling system.
   温度等值线用于确定冷却系统的最佳位置。
3. 3. The isoplethof pressure is a crucial factor in predicting the behavior of fluids.
   压力等值线是预测流体行为的关键因素。