The Long March is a manifesto, a propaganda force, a seeding machine.

长征是宣言书, 长征是宣传队, 长征是播种机.

The seed - metering device was the main worked part of seeding machine.

排种装置是播种机的主要工作部件.

Vacuum suction seeding-machine can increase operating speed, and that save seeds.

气吸式播种器能够提高作业速度，而且节省种子。

The agriculture request that Precision seeding-machine has the good performance and the stable work.

农艺要求精密播种机要有良好的性能，且稳定的工作。