一宁夏的劳动人民两千多年来在水利工程设施上,虽受了技术、材料、劳力等条件的限制,但在黄河的防洪,渠道的引水、退水、泄水、分水和交叉建筑上,仍有许多独特的创造和经验。如在木料缺乏、石料运距远、费用不足和施工季节限制等情况下,在渠道灌溉工程上创造了就地取材,构造简单,施工方便、迅速,造价低廉的草土工 For more than two thousand years, the working people in Ningxia have been restricted by the conditions of technology, materials and labor on the water conservancy facilities. However, in flood control, drainage, drainage, drainage, diversion and crossing construction of the Yellow River There are still many unique creations and experiences. If lack of lumber, far away from the stone, the cost is not enough and the construction season constraints, etc., in the channel irrigation project to create a local material, simple structure, construction convenient, rapid, low cost grass and earthwork