The purpose of this development is to detect the parallelism between the breech horizontal platform and the datum tube a......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

In order to measure the rotation angle error of the worm and gear mechanisms in the atmospheric dispersion corrector( AD......