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| 粉末金属 | |||
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| 金属粉 (For the manufacture of the steel components the raw material is iron powder to which other powdered metals such as manganese, nickel and molybdenum are added and mixed. 制造这些钢质零部件的原料是铁粉及其加人其中并与之混合的锰、镍、钼等其他金属粉末。) | |||
| 粉末金属 | |||
| 粉末冶金材料 | |||
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powdered-metal : 4 phrases in 2 subjects |
| Metallurgy | 3 |
| Space | 1 |
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