四月二十五日,我们生产队出动了四台дT—54拖拉机,进行开荒前的试耕,牵引的农具是三铧犁,要求耕深是18—20公分。三铧犁的工作幅窄,联接很困难,如果使牵引中心和抵抗中心在一直线上,链轨就得走在沟内。我们是照以前的方法,将主拉杆放在横拉杆第四个孔内(从前进方向由左向右数),副拉杆放在第七个孔内,横拉杆放在 On April 25, our production team dispatched four дT-54 tractors for trial cultivation prior to land reclamation. The farm machinery towed was a three-plow plow and required a farming depth of 18-20 cm. Sangha plow work width is narrow, the connection is very difficult, if the traction center and the resistance center in a straight line, the chain had to walk in the ditch. As we did before, we put the main rod in the fourth hole of the tie rod (counting from left to right in the forward direction), the sub rod in the seventh hole, the tie rod in the