This paper introduces the actual operating course of the truss hoisting with herringbone rotating longeron supported by concrete frame.
介绍了利用砼框架支撑人字转
桅

桁架的实际操作过程。
This paper introduces the actual operating course of the truss hoisting with herringbone rotating longeron supported by concrete frame.
介绍了利用砼框架支撑人字转
桅

桁架的实际操作过程。
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