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| 电雷管脚线为了将电流引人电雷管而从管体中引出的绝缘导线 | |||
| lead s: 14 phrases in 6 subjects |
| Chemistry | 1 |
| China | 1 |
| General | 2 |
| Rail transport | 2 |
| Sports | 1 |
| Technology | 7 |
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