To the sowing machine, the seeding unit is a key component, which plays a crucial role in sowing quality.
对播种机来说，排种器是它的核心部件，它对播种的质量起决定性作用。
One end of the shaft is provided with a gear wheel which is externally engaged with a gear wheel on a seeding unit, so that the stirring wheel is reversely rotated following the seeding unit.
在轴的一端安装齿轮，通过与安装在排种器上的齿轮外啮合，使搅拌轮随排种器反向转动。
The spikelets and the setting grains per panicle and effective panicle number per unit land area all decreased with the delay of seeding times.
这可能是由于播种期的推迟，每穗总粒数、每穗实粒数和有效穗显著降低。
The spikelets and the setting grains per panicle and effective panicle number per unit land area all decreased with the delay of seeding times.
这可能是由于播种期的推迟，每穗总粒数、每穗实粒数和有效穗显著降低。
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