1)Gapping machines,间苗机2)down-the-row thinner,顺行间苗机3)thinning out seedlings,间苗4)chopping-out by chemical agent,化控间苗5)date of thinning,间苗日期6)down-the-row thinning,顺行间苗
用法和例句
The authors created and designed the reciprocating sowing machines in order to take place of the thinning out seedlings work-the traditional agricultural method of grain production.