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| 排气管; 通风管; 烟囱; 叠式存贮器; 竖管 | |||
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スタック : 77 phrases in 8 subjects |
| Computer networks | 2 |
| Electronics | 3 |
| International Monetary Fund | 2 |
| Microsoft | 5 |
| Semiconductors | 5 |
| Superconductivity | 2 |
| Technology | 57 |
| Welding | 1 |
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