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| 星芒(羽状)铅基轴承合金 (1.7-19Sb, 9~10.5Sn, 1Cu,余量 Pb) | |||
| 星轴承合金; 轴承合金 | |||
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star alloy : 2 phrases in 1 subject |
| Metallurgy | 2 |
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