钢桁架托梁 Steel Trimmer Truss Beam
钢托架梁
Steel bracket beams
以上为机器翻译结果，长、整句建议使用 人工翻译 。
南京大胜关长江大桥主桥钢桁拱采用架梁吊机双悬臂架设方案，主墩墩旁托架作为架梁的辅助支承体系必不可少。
Used as the auxiliary supporting system for erection of the spans, the pier-side brackets to be arranged at the main piers of the bridge were indispensible.
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