rod string
| stabilizer
| rod string | |
| oil | 抽油杆柱 |
| stabilizer | |
| gen. | 稳定剂 |
| archer. | 防震器 |
| heavy.eq. | 固定肌 |
| hydroel.st. | 稳压器 |
| isol. од. | 稳定剂 |
| oil | 钻杆 护箍; 扶正器 |
| shoot. | 防跳器 |
| space | 安定面 |
| sport. | 稳定器 |
| |||
| 抽油杆柱 | |||
| 钻杆串 | |||
|
rod string : 18 phrases in 2 subjects |
| Oil / petroleum | 12 |
| Technology | 6 |