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| 杆式插入油泵 | |||
| 杆式泵; 拉杆泵 | |||
| rod-pump: 43 phrases in 9 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Drilling | 2 |
| Electronics | 3 |
| Mechanics | 3 |
| Mining | 2 |
| Oil / petroleum | 16 |
| Shipbuilding | 1 |
| Technology | 14 |
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