滚子犁plow with roller
用转动的滚筒取代部分犁壁或犁侧板的铧式犁。把原来土垡沿犁壁移动和翻转或犁侧板与沟壁的滑动摩擦变为滚动摩擦，以减小犁耕阻力、降低油耗、提高耕地质量和耕作效率。滚子犁在砂土和壤土地上耕作可取得较好效果。
滚子犁体
1.犁体 2. 橡皮套 3. 滚筒 4. 空心铁管 5. 轴 6. 上连接板 7.连接角钢
- electromagnetic induction
- electromagnetic interaction
- electromagnetic radiation
- electromagnetic spectrum
- electromagnetic units
- electromagnetic wave
- electromotive force
- electromotive series
- electron
- electron diffraction
- electronegativity
- electron emission
- electronic control systems
- electronic data proeessing
- electronic game
- electronic music
- electronics
- electronic surveillance
- electron microscope
- electron probe microanalysis
- electron spin resonance
- electron tube
- electron-volt
- electrophoresis
- electropllating