chisel bond

例句：

1. 1. The engineer used a chisel to cut the stone for the foundation.
   工程师用凿子切石头做地基。
2. 2.The construction workers used chisel bonds to secure the concrete together.
   建筑工人用凿子结合来固定混凝土。
3. 3. The carpenter chiseled the wood to make it stronger and more durable.
   木匠用凿子把木头凿得更结实耐用。