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| 91. | reverse arching |
| 倒拱作用 |
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| 92. | rotation of the line of apsides |
| 拱线转动 |
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| 93. | centering of arches |
| 拱的定心 |
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| 94. | arch springing hinge |
| 拱脚铰 |
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| 95. | impost springer |
| 拱脚石 |
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| 96. | basket handle arch |
| 三心拱 |
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| 97. | floor pressure arch |
| 底板压力拱 |
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| 98. | cross section at crown |
| 拱冠断面 |
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| 99. | segmental pointed arch |
| 弓形尖拱 |
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| 100. | arch without articulation |
| 无铰拱 |
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