parabolic arch

短语词组

短語

• parabolic multi arch 拋物線連拱
• parabolic c arch 拋物線拱
• parabolic arch structure 拋物線拱型結搆
• parabolic arch dam 拋物線拱垻
• two hinged parabolic arch 拋物線兩鉸拱
• minimum parabolic arch 極小拋物線弓形
• parabolic double -curved arch dam 拋物線雙曲拱垻
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