pipeline survey
| tool
| pipeline survey | |
| desert. | 管线测量 |
| shipb. | 管道检验 |
| tech. | 管道测量 |
| tool | |
| dril. | 工 具 |
| hydroel.st. | 量具 |
| hydroel.st. од. | 工具 |
| mech. | 钻杆 |
| met. | 刃具; 刀具; 方法; 手段 |
| met. од. | 器械 |
| |||
| 管线测量 | |||
| 管道检验 | |||
| 管道测量 | |||
| |||
| 管线测量 | |||
|
pipeline survey : 5 phrases in 3 subjects |
| Earth sciences | 1 |
| Oil / petroleum | 3 |
| Technology | 1 |