Install, test, maintain and repair water well pumps, piping systems and equipment and perform pumping tests to assess well performance.
安装，测试，维护和修复水井泵，管道系统和设备，并进行抽水试验，评估水井性能。
2
Since half a century, pumpingtest is almost the only method of the field testing for water supply investigation.
半个世纪以来，抽水试验方法几乎是供水勘察野外测试的唯一方法。
3
Brief introduction on strata in construction area and reviewed drilling technology and well completion technique, and meanwhile explained pumpingtest and water quality.