This paper introduces correct selection methods and base design scheme of automatic tower derrick in high and super high building construction.
介绍高层或超高层建筑施工在选择塔式起重机时的正确选用办法和自升式塔式起重机的基础设计方案选择。
The results of modal analysis may be regarded as the base of data to establish the nonlinear model of F320 model derrick.
本次井架模型动态特性试验结果可以作为石油井架非线性结构模型建立的数据基础。
The results of modal analysis may be regarded as the base of data to establish the nonlinear model of F320 model derrick.
本次井架模型动态特性试验结果可以作为石油井架非线性结构模型建立的数据基础。
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