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| |||
| 磨口〔磨光〕接头; 磨口连接 | |||
| 接地连接 | |||
| 磨口接头 | |||
| 接地接头 | |||
| 金属紧密配合连接; 磨光接合; 无浆连接; 砖石砌体干砌; 管道阀门接头 | |||
| 磨光接头 | |||
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ground joint : 17 phrases in 8 subjects |
| Air defense | 2 |
| Chemistry | 1 |
| Construction | 1 |
| General | 1 |
| Oil / petroleum | 2 |
| Space | 2 |
| Technology | 7 |
| United States | 1 |
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