level mark
| on column
| level mark | |
| auto. | 液面标记 |
| bridg.constr. | 水准点; 水准标石 |
| eng.geol. | 高程点; 水准面标记; 基准面标记 |
| on-column | |
| chem. | 在柱 |
| |||
| 液面标记 | |||
| 水准点; 水准标石 | |||
| 高程点; 水准面标记; 基准面标记 | |||
| 水准面点; 水平标志; 基准面 (标记) | |||
|
level mark : 27 phrases in 10 subjects |
| Automobiles | 5 |
| Bridge construction | 2 |
| Engineering geology | 3 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Rail transport | 1 |
| Surveying | 1 |
| Technology | 10 |
| United Nations | 1 |