Elevations不同海拔elevationn.提升；海拔；高度；提高；立视图elevation of meaning意义上升elevation measurement俯仰角参数测量elevation eomputation水力学计算elevation of pressure增压elevation drive motor仰角传动电动机elevation perspective立面透视图elevation of Tongguan潼关高程elevation abnormality高程异常elevation angle error仰角误差elevation at Tongguan潼关高程