Based on the analysis of testing results of different tractors and influencing factors in Heilongjiang reclamation area, the tractor model selection and relevant restricting conditions are expounded.

 
  • 通过对垦区引进的各种拖拉机试验结果及其影响因素的具体分析,阐述对拖拉机的选型要求与制约条件。
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