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| Q. |
Which of the following is the condition to use two compressors in the refrigeration system? |
| A. | the desired temperature is 3°c |
| B. | the desired temperature is -3°c |
| C. | the desired temperature is -50°c |
| D. | the desired temperature is -5°c |
| Answer» C. the desired temperature is -50°c | |
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