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1·The paper introduces the way to calculate the pit elevation of borrow pits by computer.

介绍一种运用计算机程序预求大堤所对应取土坑坑底高程的方法。

2·For the borrow pit, the acceleration erosion coefficient of cutting slope and table-board is respectively 76 and 64.

取料场采挖边坡的土壤加速侵蚀系数为76，采挖台面的土壤加速侵蚀系数为64；