sand packed fracture

例句：

1. 1.The earthquake caused a sand-packed fracture in the city's infrastructure.
   地震导致城市基础设施中出现了一个沙填实的断层。
2. 2. The geologist found evidence of sand-packed fractures in the rock formations.
   地质学家在岩石构造中发现沙填实的断层的证据。
3. 3.The engineer proposed to repair the sand-packed fracture using a new technique.
   工程师提议使用一种新的技术来修复沙填实的断层。