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| 倾注水泥浆的筒 | |||
| 倾卸筒 | |||
| 倾卸式泥浆泵; 可倾式抽筒 | |||
| dump bailer: 13 phrases in 4 subjects |
| Drilling | 5 |
| Mining | 1 |
| Oil / petroleum | 4 |
| Technology | 3 |
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