广西来宾县清水河引水工程系1955年建成,原設計灌溉面积35,000亩,但由于渠道漏水严重,历年实际灌溉面积只有19,400亩,仅为原設計的55.4%。这条渠道漏水达到这样严重的情况:灌溉水3.5立方米/秒,从引水口仅流經28公里卽全部漏完,自28公里处以下一段长10多公里的渠道,从来沒有見到过水。更 Guangxi Laibin Qingshui River Diversion Project was completed in 1955 with an original designed irrigation area of ​​35,000 mu. Due to serious water leakage, the actual irrigated area over the years was only 19,400 mu, only 55.4% of the original design. This channel leakage to achieve such a serious situation: Irrigation water 3.5 cubic meters / second, only 28 kilometers from the diversion port 卽 all drained, since 28 kilometers below a section of more than 10 kilometers of channels, have never seen the water . more