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| 厚块 〔板状〕光学玻璃 | |||
| 厚块光学玻璃; 玻璃块坩埚制光学玻璃毛坯; 厚块玻璃; 玻璃块; 板状光学玻璃 | |||
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slab glass : 8 phrases in 2 subjects |
| Nursing | 1 |
| Technology | 7 |
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