pier shaft 中文意思是什麼
pier shaft
解釋
墩身-
Accuracy analysis about pier shaft construction survey of sutong bridge
關于蘇通大橋墩身施工測量的精度分析 -
The mark structure contains five parts : protective device, measure shaft, putright equipment, mark - bottom device and ground device, and gps measure pier functioning in elevation control and horizontal layout control is arranged as well
標體結構包括保護裝置、引測裝置、導正裝置、標底裝置、地面裝置5大部分,並設gps測墩,兼有高程式控制制與平面位置控制的作用。
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