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| perforated casing; perforated pipe; screen pipe; slotted liner; strainer; well tube filter | |||
| water strainer | |||
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滤水管 : 44 phrases in 11 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Drilling | 2 |
| Ecology | 2 |
| Electronics | 1 |
| Engineering geology | 3 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Rail transport | 3 |
| Technology | 28 |
| Water resources | 1 |
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