A.縱斷面高程傳感器B.主控制系統(tǒng)C.距離測量裝置D.顛簸累計值測試裝置
A.100mm直徑承載板取0.78B.100mm直徑承載板取0.59C.50mm直徑承載板取0.78D.50mm直徑承載板取0.59
A.3m直尺B.2m直尺C.塞尺D.鋼直尺