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| 阿尔加锡锑系轴承合金 (10Sb,0~0.3Cu,余量 Sn); 锡锑系轴承合金锑 10%,铜0 ~0.3%，其余锡 | |||
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Alger metal : 1 phrase in 1 subject |
| Technology | 1 |
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