... 石铁陨石 pallasite 外套弯 palliae sinus 棕榈 palm ...
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结合钢结构住宅产业化的研究，设计了冷弯方钢管与H型钢梁的螺栓连接外套管式节点。
Based on the research of steel housing industry, a new outer-shell joint connecting cold-formed square tubular column and H-shaped steel beam with bolts was designed.
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