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在毛主席革命路线指引下，我队在为贫下中农勘探地下水的工作中，因一些地区水位埋藏很深，静水位达125米。为了取得抽水试验资料，用一台普通压风机无法解决。用提筒抽水，由于提水量小，动水位不稳定，难以取得抽水的正确资料。经分析研究，采用双机双管接力抽水的方法，基本解决了深水位的抽水问题。但如何选择更合理的两组风管的沉没比和风压的最优值，使之达到更高的抽水效率，尚待进一步工作，现将初步情况介绍如下：
Guided by Chairman Mao’s revolutionary line, our team explored underground water for under-peasant middle peasants because of the deep water level in some areas and the still water level of 125 meters. In order to obtain pumping test data, with an ordinary pressure fan can not be solved. Pumping with a lift, due to a small lift, water level instability, it is difficult to obtain the correct information on pumping. After analysis and research, the double-tube double-pipe relay pumping method basically solves the pumping problem of deep water level. However, how to choose a more reasonable optimal value of the sunk ratio and the wind pressure of the two sets of ducts to achieve a higher pumping efficiency remains to be further worked, and the preliminary situation is as follows: