elastic precompression

例句：

1. 1. The material was subjected to elastic precompression before being tested.
   该材料在测试前进行了弹性预压缩。
2. 2. During the manufacturing process, elastic precompression is used to prevent deformation.
   在制造过程中，弹性预压缩用于防止变形。
3. 3. The engineers designed a system that uses elastic precompression to control the flow of fluids.
   工程师们设计了一个系统，该系统使用弹性预压缩来控制流体的流动。