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拱脚石
meaning in English
[土] rein; springer; springing
Related Words
横向拱
缺口拱
拱石
向上拱
回廊拱
弧拱
板拱
塌落拱
端拱
抑拱
拱脚
拱脚铰
拱脚手架
拱脚推力
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