parabolic arch

短语词组

短语

• parabolic multi arch 抛物线连拱
• parabolic c arch 抛物线拱
• parabolic arch structure 抛物线拱型结构
• parabolic arch dam 抛物线拱坝
• two hinged parabolic arch 抛物线两铰拱
• minimum parabolic arch 极小抛物线弓形
• parabolic double -curved arch dam 抛物线双曲拱坝
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