support position短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 支撑位置 This paper also confirmed the support position and stiffness of reasonable cushioning material by analysing the influence because of cushioning material when the horizontal force analysing. 对结构进行横向受力分析，分析梯形枕两侧缓冲材料对轨道结构的影响，确定缓冲材料的合理刚度。 fabiao