在批林批孔运动推动下,我们孟县黄河修防段职工,遵照毛主席关于“要把黄河的事情办好”的伟大教导,为复好黄河大堤,人人出主意想办法,经过反复实践和模索,对原来的坡度尺进行了改进,使一个坡度尺只能量一种坡度改为一尺多用,大大减少了坡度尺的数量,提高了坡度尺的利用率,方便了施工。现 Under the encouragement of the Lin Piao and Confucius Movement, our staff in the Yellow River repair and defense section of Meng County complied with Chairman Mao’s great teaching of “We must do a good job in the Yellow River” to reconstruct the Yellow River embankment and everyone came out with ideas. The practice and modelling have improved the original slope ruler so that a slope ruler can only change one grade from one slope to one foot, which greatly reduces the number of gradient rulers, improves the utilization rate of slope ruler, and facilitates construction. Now