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| |||
| 拉断永久交形 | |||
| 永久变形 | |||
| 拉伸永久变形 | |||
| 张力变形 | |||
| tension set: 6 phrases in 4 subjects |
| Electronics | 3 |
| Hydroelectric power stations | 1 |
| Mining | 1 |
| Oil / petroleum | 1 |
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