... op to bottom connection 顶部到底部联结 top to bottom connection 顶部到底部连接 top to top connection 顶部到顶部联结 ...
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Expansion joints in the column joints have core column connection column from top to bottom, usually designed to be movable joints.
伸缩缝处立柱接头有芯柱连接上下柱，通常设计为可活动的接头。
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