水管井 meaning in English
water pipe manhole
Examples
- Several kinds of methods for repairing wells using u - pvc strainer pasted gravel are introduced in this paper . the advantages of this technique are showed through a repairing well experiment in the daqing district
摘要介绍了u - pvc塑料贴砾滤水管井中二次成井的几种方法；以大庆地区的试验为例，说明该技术的优越性。