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本人自毕业以来，一直在农村基层一线工作，对农民所使用的拖拉机情况比较了解。最近，本人在对农用拖拉机进行年检时发现一部分小四轮拖拉机动力性和经济性较差，缩短了使用寿命。
小四轮使用寿命缩短现象浅议
【摘 要】
：
本人自毕业以来，一直在农村基层一线工作，对农民所使用的拖拉机情况比较了解。最近，本人在对农用拖拉机进行年检时发现一部分小四轮拖拉机动力性和经济性较差，缩短了使用寿命。
【机 构】
：
吉林省梨树县十家堡镇农机站
【出 处】
：
农机使用与维修
【发表日期】
：
2010年5期
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