短語詞組短語Longitudinal center plane 車輛中心對稱面longitudinal impedance plane 縱向平面longitudinal symmetric plane 縱向垂直平面longitudinal median plane [機]縱向中心平面longitudinal vertical plane 縱直縱平面longitudinal impedance plane waves 縱向平面波longitudinal impedance plane of symmetry 縱向中心鉛垂面longitudinal medium plane of tractor [農機]拖拉機縱向中心面vehicle longitudinal plane 車輛縱向平面 返回 longitudinal plane