It is indicated through the analysis of assistant steering mechanism of the farm transporter model FR1608 that within th e rang e of standard swinging of the pitman arm, the design rod structure satisfies the requirement of optimum pressure angle.

• 对FR1608运输车转向助力机构的分析结果表明，在转向器转向垂臂的标准摆动范围内，设计参数满足最佳压力角要求。