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COLUMN AND CULUMN STRUCTURE AND MEGA COLUMN
COLUMN AND CULUMN STRUCTURE AND MEGA COLUMN
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机译:立柱,立柱结构和巨型立柱
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摘要
A plurality of unit units extending in the longitudinal direction and forming a closed end face are connected in a circumferential direction, and the unit unit includes a pillar member forming a closed end while joining both ends of the metal plate bent in a multi- to provide.
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