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半闭式叶轮
| 泥泵
| 半闭式叶轮 | |
| tech. | semi-closed-type impeller; single shrouded wheel |
| 泥 泵 | |
| tech. | dredge pump |
| 泥泵 | |
| bridg.constr. | dredge pump |
| earth.sc. | dredge pump |
| met. | sludger |
| nautic. tech. | dredging pump |
| |||
| semi-closed-type impeller; single shrouded wheel | |||
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半闭式叶轮 : 4 phrases in 2 subjects |
| Shipbuilding | 2 |
| Technology | 2 |
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