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3. , . . . (-3-0) (11-14) ?
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1. 20.
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:
| . | h0, | , /2 (, ) | hk, | e, % | HRB |
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30 2.
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HRB = f(e, %).
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2. 20.
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1. , (Pb-Sb).
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| 3. | 80% Pb + 20% Sb | |||
| 4. | Cu + % Ni |
6
-.
