self-propelling

1. Small self-propelling harvest for wheat and rice
   自走式小型麦稻收割机
2. Moving by itself; self-propelling or self-propelled.
   自己运动的；自己推进的或自己驱动的。
3. Blades design is a important aspect in the self-propelling cultivator design.
   耕耘机刀片设计是耕耘机设计的一个重要方面。
4. Optimization Design of Roller-speed Ratio of Self-propelling Cultivator
   自走式耕耘机速比系数的优化设计
5. A problem on predicting ship speed from self-propelling ship model test results
   由船模试验预报实船航速时需注意的一个问题
6. Self-propelling and rotating drill has the characteristics that can drill in the formed hole automatically change direction along the original hole.
   自进式水射流钻头具有欺软怕硬的特性，在已形成的孔中可以自动改变方向沿原孔钻进，能够有效地将已失效的瓦斯抽放孔修复。

adj

1. moved forward by its own force or momentum
   1. a self-propelled egotist
   2. the arms program is now self-propelled

   Synonym:    self-propelled

2. containing within itself the means of propulsion or movement
   1. a self-propelled vehicle

   Synonym:    automotiveself-propelled