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拱形大桁梁
meaning in English
arched principal
Related Words
拱形结构
拱形链接
拱形屋架
拱形滑道
拱形涵管
拱形曲线
拱形圆顶
拱形掩体
拱形物
拱形支架
拱形衬砌
拱形大梁
拱形弹性扣件
拱形挡土墙
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