electronic crack detector

例句：

1. 1.The electronic crack detector is used to detect the presence of cracks in materials.
   电子裂缝探测器用于检测材料中是否存在裂缝。
2. 2.The electronic crack detector has greatly improved our ability to detect and repair damage in buildings.
   电子裂缝探测器大大提高了我们检测和修复建筑物损坏的能力。
3. 3. The electronic crack detector is a crucial tool for inspecting the integrity of underground pipelines.
   电子裂缝探测器是检查地下管道完整性的关键工具。