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91. | single arch beam |
| 单跨拱梁 |
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92. | one-centered arch |
| 单心拱 |
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93. | multiple arch bridge |
| 连拱桥 |
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94. | cantilever arch truss |
| 悬臂拱形杵架 |
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95. | tapering arch form |
| 尖形弓 |
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96. | an arch smile |
| 调皮的微笑 |
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97. | Korimann arch saver |
| 科里曼型回收拱形钢支架机 |
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98. | maximum-pressure arch |
| 最大压力拱 |
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99. | glued laminatd arch |
| 胶合叠板拱 |
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100. | pubic arch angle |
| 耻骨弓角度 |
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