total contact with the ground for roller gear of cultivation of the land jobs in succession and fitted with teeth.

• 1. 针对绿地耕作系统示教地面边界至少一个区段的方法、操作绿地耕作系统的方法、示教系统 [P] . 中国专利： CN112740888A . 2021-05-04
• 2. 垂直尖齿耕作纵列式车架及相关二次耕作、种植、施肥机械 [P] . 中国专利： CN102132643A . 2011-07-27
• 3. total contact with the ground for roller gear of cultivation of the land jobs in succession and fitted with teeth. [P] . IT8519271D0 . 1985-01-29

  机译： 完全与地面接触，以陆续耕作轮式耕作机并装有齿。

• 4. tool for cultivation of land with roller in contact with the ground by the tractor controlled in rotation [P] . IT1173381B . 1987-06-24

  机译： 拖拉机控制旋转使滚筒与地面接触的耕地工具

• 5. tool for cultivation of land with control system in height of the roller and in contact with the ground [P] . IT1173024B . 1987-06-18

  机译： 带有高度调节系统并与地面接触的控制系统的土地耕作工具

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• 5. Load-carrying Capacity of the HB〓340 (Hardened and Tempered) Gears : 1st Report, Effect of Surface Roughness on the Rolling Contact Fatigue of the Rollers and Surface Durability of the Habbed Gears [O] . Taku UENO, Yasutsune ARIURA, Tsutomu NAKANISHI, 1980
• 6. AN IMPULSE-MOMENTUM METHOD FOR CALCULATING LANDING-GEAR CONTACT CONDITIONS TN ECCENTRIC LANDINGS [R] . Robert T. Yntema, Benjamin Milwitzky 1952

• 1. 耕作机械发展趋势及杜齐耕作机 [C] . 刘学军 . 中国农业机械学会耕作机械学会第四届会员代表大会 . 1994
• 2. 轮式拖拉机高精度自主耕作关键技术研究 [A] . 李会彬 . 2017