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钝角拱
meaning in English
obtuse angle arch
Related Words
钝角
钝角叶片
两钝角
钝角征
凸钝角
凹钝角
钝角伞齿轮
钝角肘
钝角交叉
钝角目
钝角等分线
钝角等分线干涉图
钝角交叉
钝角角材
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