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1. |
Which of the following are the essential parts of a sintering furnace? |
A. | Burn-on zone, sintering zone, and cooling zone |
B. | Burn-off zone, sintering zone, and cooling zone |
C. | Preheat zone and sintering zone |
D. | Sintering zone and cooling zone |
Answer» C. Preheat zone and sintering zone | |