山西文水县宜山乡大城南农业社,由于敢想、敢干以及有关部门的帮助下,去冬试打粗管自流水井成功。因此给该县水利事业找到了一条新的道路。在有条件的地区,已开花结果。粗管自流井的打法和一般井相同,只是工具上稍有差异。主要工具为:打井架,2、4、6、8寸回子各一付,四抓八钩一付,2.5的空针一付,震孔器(扩大眼器)一架。 Shanxi Wenshui Yishan Township Ayutthaya Agricultural Cooperatives, due to dare to think, dare to do, and the help of the relevant departments, the winter test run thick-winged wells success. So to the county water conservancy has found a new road. In areas where conditions permit, the result has already blossomed. Thick pipe artesian well play the same general well, but the tool is slightly different. The main tools are: Hit derrick, 2,4,6,8 inch back to a pay each child, four catches eight hooks, 2.5 empty needles, shock hole device (to expand the eye) a.