... 的 4次方是 The fourth power of 2 i ... 拖拉机驱动的 tractor propelled 拖拉机驱动泵 tractor operated pump; tractor pump ...
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tractor-propelled harrow 机引耙
tractor-propelled plough 机引犁
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Compared with tradition tractor and implement unit, a self propelled machine not only has simple structure, small unit and high efficiency, but also can be used in the paddy field and special area.
自推进耕耘机械与传统的拖拉机农具机组相比，其结构简单，机组短，效率高，适合在水田和特殊地块作业。
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