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