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| 螺栓紧固 | |||
| 螺栓联结; 螺栓连接 | |||
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bolt fastening : 19 phrases in 9 subjects |
| Bridge construction | 1 |
| Compressors | 1 |
| Electric machinery | 1 |
| Metallurgy | 2 |
| Plastics | 1 |
| Shipbuilding | 1 |
| Skydiving | 1 |
| Space | 1 |
| Technology | 10 |
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