莲花水电站四通岔管为一大跨度小交角的地下交叉洞室。
The underground intersected chambers have a large span and a small intersection angle.
管型母线受力状况相当于大跨度的梁，截面上的应力主要是自重弯矩的拉应力，挠度比较大。
The loading of a tubular busbar is equivalent to that of a large-span beam, and the stress on the cross -section is mainly the tensile stress of the dead weight bending moment with much deflection.
如何对数量众多、行业跨度广泛的子公司进行有效管控是国有公司时时思考也是亟待解决的严峻课题。
How to effectively supervise and manage numerous subsidiary companies involving highly diverse businesses is a pressing issue that state-owned companies have been thinking over and trying to address.
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