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课时2h知识目标:了解马铃薯收获机的分类、构造及工作原理;掌握马铃薯收获机的使用与调整;掌握马铃薯收获机的维护与保养;掌握马铃薯收获机的故障与排除。能力目标:掌握马铃薯收获机的使用与调整;掌握马铃薯收获机的维护与保养;掌握马铃薯收获机的故障与排除。教学重点:马铃薯收获机的使用与调整;马铃薯收获机的维护与保养。教学过程1.马铃薯收获机概况马铃薯不仅是我国重要的粮食作物,同时也是重要的饲料和工业原料。在我国,马铃薯的播种面积约占粮食作物面积的9%,产量约为粮食总产量的8%。近年来,在马铃薯越来越多地给人们带来经济效益的同时,马铃薯播种、收获和
Lesson 2h Knowledge Goal: Understand the classification, construction and working principle of potato harvester; master the use and adjustment of potato harvester; master the maintenance and maintenance of potato harvester; master the failure and elimination of potato harvester. Capabilities Objectives: To master the use and adjustment of potato harvesters; To master the maintenance and maintenance of potato harvesters; To master the failure and elimination of potato harvesters. Teaching focus: the use and adjustment of potato harvester; potato harvester maintenance and care. Teaching Process 1. Potato Harvester Overview Potato is not only an important food crop in China, but also an important raw material for feed and industry. In our country, the sown area of potatoes accounts for about 9% of the total area of food crops and the output is about 8% of the total grain output. In recent years, as potatoes have brought more and more economic benefits to people, potato planting, harvesting and