heat action zone crack

例句：

1. 1. The heat actionzone crack in the concrete is a common problem that needs to be addressed.
   混凝土中的热作用区裂缝是一种常见的问题，需要解决。
2. 2. The engineers were able to identify the cause of the thermal action zone crack and recommend a solution.
   工程师们能够识别出热作用区裂缝的原因并提出解决方案。
3. 3.The crack in the wall was caused by the excessive heat from the furnace, which led to the thermal action zone crack.
   墙壁上的裂缝是由于炉子产生的过度热量导致的，导致了热作用区裂缝。