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- A1-Zn-Mg-Cu系AI-Zn-Mg-Cu system
- AI-Zn-Mg-Cu系A1-Zn-Mg-Cu system
- 系system
- Cr-Cu系合金Cu-Cr alloy
- Ti-Zr-Ni-Cu系Ti-Zr-Ni-Cu system
- A1-Zn-Mg-Cu合金A1-Zn-Mg-Cu alloys
- 院系department
- 系上to buckle up
- 系带chalaza
- 中文系department of Chinese language and literature
- Mg-zn合金Mg - Zn alloy
- 菜系style of cooking
- A1-Cu合金A1-Cu alloy
- Mg-Nd-ZnMg-Nd-Zn
- 系的phyletic
- Cu-A1胎体Cu-A1 matrix
- 科系department
- 增强的UV-B辐射对麦田生态系统Mg和Zn累积和循环的影响Effects of Enhanced UV-B Radiation on Accumulation and Cycling of Mg and Zn of Wheat Field Ecosystem.
- 系动词copula
- A1-Cu-Mg合金Al-Cu-Mg alloy