·····7Р2.2.2 剪草机构························································7Р3 手推式草坪修剪机机械结构设计计算?Р3.1 传动系统···························································9Р3.1.1 齿轮的确定······················································9Р3.1.2 轴的确定·······················································22Р3.2 剪草机构···························································26Р3.1.1 滚刀的设计·····················································26Р3.1.2 底刀的设计·····················································27Р4 手推式草坪修剪机的使用说明?Р4.1 安全事项···························································28Р4.2 安装·······························································28Р4.3 维护保养···························································30Р5 结论································································
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