mining district survey

例句：

1. 1. Themining district survey is crucial for the sustainabledevelopment of the region.
   矿业区调查对于该地区的可持续发展至关重要。
2. 2. The company conducted athorough mining district survey to identify potential miningsites.
   该公司进行了彻底的矿业区调查，以确定潜在的采矿地点。
3. 3. Thesurvey revealed that there wereseveral abandoned mines in themining district.
   调查发现，矿业区内有几处废弃的矿井。