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1. |
To achieve useful strength of the material at temperatures of 1000-1600 ‚Äö√Ö‚àûC, what should be the melting point temperature of the material?$ |
A. | 1000 ‚Äö√Ö‚àûC |
B. | 1300 ‚Äö√Ö‚àûC |
C. | 1600 ‚Äö√Ö‚àûC |
D. | More than 1600 ‚Äö√Ö‚àûC |
Answer» E. | |