短語詞組短語longitudinal grade of bridge 橋梁縱坡maximum longitudinal grade 最大縱坡minimal longitudinal grade length 最小坡長highway longitudinal grade 公路縱坡road longitudinal grade 道路縱坡Longitudinal Slope For Grade Line 縱斷坡度maximum gate power longitudinal grade 最大縱坡grade in longitudinal direction 縱曏坡度 返回 longitudinal grade