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grid glow
| tube
| grid-glow | |
| gen. | 栅极辉光放电 |
| tube | |
| cosmet. | 管，管状物 |
| hydroel.st. | 电子管; 隧道; 地下铁道 |
| isol. | 管材 |
| met. | 管子; 试管; 显像管 |
| steel. | 缩孔 |
| |||
| 栅极辉光放电 | |||
| grid glow: 4 phrases in 3 subjects |
| Metallurgy | 1 |
| Physics | 1 |
| Technology | 2 |
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