Radial collectorwell is an ideal type of shallow groundwater exploitation.
辐射井是开发浅层地下水的理想井型。
2
The tailings dam in the Third Baiyin Smeltery is a damaged dam. To secure the dam, radial collectorwell is applied to cause a drawdown of The phreatic line.
白银公司三冶炼厂尾矿坝是一座险病坝，利用辐射井排水降低坝体浸润线的措施，保证了坝体的安全。
3
Peter Ludwig was a celebrated entrepreneur and popular social activist in Germany as well as a world-famous collector with thousands of invaluable art works.