With hoisting method by double cantilever beam,the hoisting of large steel trusses was get success.The practices demonstrated that the hoisting method was reliable and feasible.
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释义
双悬臂梁吊装法解决了大型钢桁架高空吊装问题,且省工、省料,实践证明,该法安全、可靠,较为实用
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