fold line

短语词组

短語

• fold facing line 繙折線
• fold -line pre-tensioned pre-stressed beam 折線先張預應力梁
• the fold -line pre-tension pre-stressed beam 折線形先張法預應力混凝土
• fold line dam axis 折線型垻軸線
• Fold line along angle 對角折線法
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