prestress

例句：

1. 1. The engineer prestressed the beam to prevent it from breaking.
   工程师预先对梁施加压力以防止其断裂。
2. 2.The construction workers were instructed to prestress the steel cables before installation.
   施工人员被指示在安装前预先对钢缆进行应力处理。
3. 3. The project manager stressed the importance of prestressing the concrete in time for optimal performance.
   项目经理强调了及时对混凝土进行预应力处理以获得最佳性能的重要性。