crack filler

例句：

1. 1. The engineer used a crack filler to repair the damaged concrete.
   工程师用裂缝填充剂修复了损坏的混凝土。
2. 2.The car was fixed with a crack filler to prevent further damage.
   汽车被用裂缝填充剂固定，以防止进一步损坏。
3. 3.The crack filler was applied evenly to the surface of the wall to prevent it from further expanding.
   将裂缝填充剂均匀涂抹在墙面上，以防止其继续扩大。