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| |||
| 等深线 | |||
| 等高线地图上地面高程相等的各相邻点所连成的曲线 | |||
| 等高度线 | |||
| 等高线 | |||
| isohypse: 10 phrases in 5 subjects |
| Architecture | 4 |
| Bridge construction | 1 |
| Engineering geology | 2 |
| Oil / petroleum | 1 |
| Technology | 2 |
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