horizontal reference
| line
| horizontal reference abbr. | |
| el. | 水平参考 |
| space | 水平基准 |
| line abbr. | |
| gen. | 纹; 划线于排队 |
| gen. од. | 行 |
| hydroel.st. од. | 线路 |
| met. | 作业线; 管线; 排 |
| mount. | 绳 |
| sport. | 直线 |
| tech. од. | 线 |
| |||
| 水平参考 | |||
| 水平基准 | |||
| 水平基准 (面) | |||
|
horizontal reference : 8 phrases in 6 subjects |
| Aviation | 2 |
| Engineering geology | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Sports | 1 |