engineering geologic sketch

例句：

1. 1. The engineerdrew a detailed engineering geologic sketch beforethe construction began.
   工程师在施工开始前绘制了详细的工程地质草图。
2. 2. Thegeologist used the sketch to map outthe area's geology.
   地质学家使用草图来绘制该地区的地质情况。
3. 3. The sketch was used as a preliminarydesign for the new bridge.
   草图作为新桥梁的初步设计。