| |||
| 井架吊装拔杆; 吊杆 | |||
| ★ 起重柱 | |||
| 起重【吊杆】架柱 | |||
| 起重架柱 | |||
| 将军柱; 转臂起重机柱; 吊杆柱; 船吊桅杆; 人字起重机柱; 柱上转臂式直重机 | |||
|
derrick post : 14 phrases in 4 subjects |
| Drilling | 1 |
| Nautical | 4 |
| Oil / petroleum | 2 |
| Technology | 7 |
| |||
| 井架吊装拔杆; 吊杆 | |||
| ★ 起重柱 | |||
| 起重【吊杆】架柱 | |||
| 起重架柱 | |||
| 将军柱; 转臂起重机柱; 吊杆柱; 船吊桅杆; 人字起重机柱; 柱上转臂式直重机 | |||
|
derrick post : 14 phrases in 4 subjects |
| Drilling | 1 |
| Nautical | 4 |
| Oil / petroleum | 2 |
| Technology | 7 |