topographical point
| spacing
| topographical point | |
| tech. | 地形点 |
| spacing | |
| dril. | 井距; 节距; 空隙 |
| exhib. | 间隙 |
| hydroel.st. | 间隔; 间距; 跨距 |
| met. | 距离 |
| oil | 齿距 |
| telecom. | 空号 |
| |||
| 地形点 | |||
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topographical point : 5 phrases in 2 subjects |
| Desert science | 1 |
| Technology | 4 |