unshrinkable steel

例句：

1. 1. The construction site uses unshrinkable steel for the scaffolding.
   施工现场使用不收缩钢搭建脚手架。
2. 2.The engineer designed the unshrinkable steel structure to withstand extreme weather conditions.
   工程师设计了这种不收缩钢结构，以抵御极端天气条件。
3. 3.The unshrinkable steel is used in various applications such as bridges and tunnels.
   这种不收缩钢被用于桥梁和隧道等众多应用中。