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| 雌雄榫接合; 凸凹榫接榫接 | |||
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| 榫接头 | |||
| tenon and mortise joint: 14 phrases in 5 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Construction | 1 |
| Hydroelectric power stations | 1 |
| Technology | 10 |
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