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| 灯泡表面; 荧光屏面 | |||
| 管口; 管道入口部分 | |||
| 管泡表面; 灯泡座; 灯管座 | |||
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| 管面; 摄像管靶面 | |||
| tube -face: 7 phrases in 6 subjects |
| Engineering geology | 1 |
| General | 1 |
| Metallurgy | 2 |
| Refrigeration | 1 |
| Telecommunications | 1 |
| Wind Energy | 1 |
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