自行的;
例句:
Moving by itself; self-propelling or self-propelled.
自己运动的;自己推进的或自己驱动的。
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
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。