短語詞組短語longitudinal parallel direction 縱聯(lián)方向in the longitudinal direction 在縱軸方向longitudinal direction of car 車輛縱向longitudinal direction plotting 縱向繪圖longitudinal direction gradient 縱向梯度grade in longitudinal direction 縱向坡度tensile strength in longitudinal direction 縱向拉伸強度longitudinal direction -gentle slope 縱向longitudinal zero -sequence direction 縱聯(lián)零序方向 返回 longitudinal direction