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expansion device
| for
| continuous length of rails
| expansion device | |
| refrig. | 膨胀机构 |
| for | |
| gen. | 合; 为; 替; 给; 因为 |
| continuous length of rails | |
| tech. | 焊接长钢轨 |
| |||
| 膨胀机构 | |||
| 膨胀装置; 伸缩调整器 | |||
| expansion device: 4 phrases in 1 subject |
| Technology | 4 |