本文对格构式变截面吊臂金属结构的临界力计算作了理论分析。
This paper theoretically analyzes the critical force in metal hoisting boom structure of lattice type and variable section.
本文对格构式变截面吊臂金属结构的临界力计算作了理论分析。
This paper theoretically analyzes the critical force in metal hoisting boom structure of lattice type and variable section.
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