我国虽然自６０年代中期就开始了对棉柴收获机械的研制工作，但由于种种原因，至今还没能研制成功一种理想的机型，推向市场，应用于棉田。所以广大棉农还是“面向黄土，背朝天”，据测定，人工用手拔棉柴的提拔阻力为４０～１２０ｋｇ／株，可见其劳动强度特别大。面对广... Although our country started the research and development of cottonwood harvesting machinery since the mid-1960s, it has not yet been able to develop an ideal model for various reasons and has been put on the market and applied to cotton fields. Therefore, the majority of cotton farmers or “facing the loess, back overturned,” according to the determination of manual pull cottonwood promotion resistance 40 ~ 120kg / strain, showing that its labor intensity is particularly large. In the face of wide ...