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| 回跳弹试验 | |||
| 回弹试验 | |||
| 肖氏硬度试验; 回跳试验; 回缩试验回弹试验 | |||
| rebound test: 7 phrases in 3 subjects |
| Metallurgy | 2 |
| Plastics | 2 |
| Technology | 3 |
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