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| |||
| 伸缩标尺 | |||
| 伸长 〔延伸〕杆 | |||
| 加力杆; 大拉杆 | |||
| 伸缩尺 | |||
| 加长杆; 伸岀杆; 延伸杆 | |||
| 延长杆; 手轮连接杆 | |||
| 伸缩杆; 接杆; 拧接钻杆; 塔式水准尺; 塔尺【测】; 伸缩标尺; 伸长杆 | |||
| extension rod: 8 phrases in 4 subjects |
| Drilling | 2 |
| Oil / petroleum | 3 |
| Rail transport | 1 |
| Technology | 2 |
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