double delta
| sampling
| Double Delta | |
| seal. | 双向密封设计 |
| sampling | |
| econ. | 示范 |
| hydroel.st. | 采样 |
| hydroel.st. од. | 取样; 抽样 |
| IMF. | 抽样法 |
| tech. | 样本化; 进样; 取土样 |
| textile | 签封样品; 提供样品 |
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| 双三角翼 | |||
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| 双向密封设计商 | |||
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double delta : 14 phrases in 7 subjects |
| Aviation | 2 |
| Electric machinery | 3 |
| Electronics | 5 |
| General | 1 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Sealing | 1 |