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支拱板条
meaning in Chinese
jack lagging
lagging
Examples
A wooden frame built especially to support the sides of an arch until the keystone is positioned
支拱板条
专门用来在拱顶石放置好以前支撑拱的两边木架子
Related Words
板条子操作
横向拱
缺口拱
拱石
向上拱
回廊拱
弧拱
板拱
塌落拱
端拱
支根构造
支公司
支拱木
支共聚物
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