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| 三针〔销，爪,管脚〕的 | |||
| 三心的; 三头的 | |||
| three-pin: 16 phrases in 6 subjects |
| Electronics | 3 |
| Exhibitions | 1 |
| General | 1 |
| Nuclear and fusion power | 1 |
| Technology | 9 |
| Textile industry | 1 |
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