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土方加高培厚工程虽比新建堤坝投资少，见效快，但施工条件艰苦，施工难度大，如管理不善，很容易出现塌陷，管涌，甚至溃坝。
Although the project of earth mound raising and thickening is less investment and quicker than the newly built dyke, the construction conditions are very hard and the construction is difficult. If it is poorly managed, it is easy to collapse, pipe and even dam.