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vertical boring
| machine
| vertical boring | |
| hydroel.st. | 垂直钻进 |
| machine | |
| gen. | 机 |
| bodybuild. | 健身器械 |
| heavy.eq. | 训练器 |
| manag. | 机床 |
| met. | 机床切削; 机制 |
| racing | 摩托车 |
| shoot. | 抛靶机 |
| |||
| 垂直钻进 | |||
| vertical boring: 20 phrases in 5 subjects |
| Automobiles | 3 |
| Computer numerical control | 2 |
| Electric machinery | 3 |
| Nautical | 1 |
| Technology | 11 |
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