The geophysical prospecting and geo-hydrologic reconnaissance have been done in the water resource region of a county and seepage well is chosen on the basis of comparison.
通过对某县水源地进行物探和水文地质勘察，经方案比较，采取渗流井工艺取水。
2
This paper gives an account of the application of all kinds of geophysical methods to the reconnaissance survey and prospecting of metallic ore deposits in China during the past 30 years.