此播种机最主要的特点是使用直流电，无需人力背负及播撒，可以连于拖拉机的电瓶上。
The seeding machine USES direct current, needs not to be manually carried for spreading, and can be connected with a battery jar of the tractor.
本发明提供一种利用汽车、拖拉机的蓄电瓶和交流发电机为电源，在汽车、拖拉机内产生空气阴离子、净化空气的装置。
The present invention provides a kind of air purifier which USES the accumulator and ac generator of automobile or tractor as power source to generate anions in automobile or tractor.
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