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| 冷硬铸铁粒; 冷硬铸钢粒; 激冷铸钢球; 冷硬铸铁丸 | |||
| 铅、锑合金散弹 | |||
| 冷硬丸粒; 激冷钻粒 | |||
| chilled shot: 18 phrases in 3 subjects |
| Metallurgy | 3 |
| Oil / petroleum | 1 |
| Technology | 14 |
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