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| 硼砂球; 硼砂珠 | |||
| 硼砂熔珠 | |||
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| 硼砂熔珠; 硼砂球 | |||
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borax bead : 3 phrases in 3 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Technology | 1 |
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