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拱半径
meaning in Chinese
arch radius
radius of crown
Related Words
稳心半径轨迹
弧拱
板拱
连拱
拱肋骨
副拱子拱
管拱
悬吊拱
拱窗
爆发拱
拱板撑螺栓
拱板转向架下拱板
拱抱
拱北
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