在沙地裹耕地,犂床很容易磨损。在紧张的作业季度中,犂床备品常常供不应求。为了解决这个问题,我场修理厂锻工李坚同志就开动脑筋,想了一个办法。他把犂床分开两部份来制造经常和土壤磨擦的一段,用钢制成,上面的一段,就用熟铁锻制,然后用电焊将两部份焊在一起,和原来的犂 Plowing the bed in the sand, the plow bed is very easy to wear. Plow bed supplies are often in short supply during tight work quarters. In order to solve this problem, my field repair shop comrade Li Jian forge workers brains, think of a way. He separated the plow bed in two parts to make a regular friction with the soil, made of steel. The upper section was made of wrought iron and then the two pieces were welded together by electric welding, and the original plow