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| krypton (Kr,36 号元素) | |||
| Kr (krypton) | |||
| krypton (Kr) | |||
| Kr | |||
| Krypton (化学元素，符号 Kr) | |||
| krypton | |||
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| krypton | |||
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| krypton | |||
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| krypton | |||
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| krypton | |||
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| krypton (化学元素，符号 kr) | |||
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| krypton | |||
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氪 : 44 phrases in 13 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Chemistry | 18 |
| Earth sciences | 1 |
| Electronics | 7 |
| General | 8 |
| Geology | 1 |
| Geophysics | 1 |
| Materials science | 1 |
| Mechanic engineering | 1 |
| Scientific | 1 |
| Technology | 2 |
| Wind Energy | 1 |
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