Aiming at the meeting the request of wheat precision seeding, the traditional precision seed metering device was improved, and the range of some parts parameter were defined.
为适应小麦精密播种的要求，对传统气吸式精密排种器进行改进，确定了各部件参数的取值范围。
A new combined machine, which can implement wheat straw smashing and maize no-tillage precision seeding, was developed.
介绍一种集小麦秸秆粉碎和玉米免耕精密播种功能为一体的新型联合作业机具。
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