MCQOPTIONS
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MCQOPTIONS
| 1. |
DURING_BLASTING,_THE_WORKPIECE_IS_EXPOSED_TO_AN_ABRASIVE_AIR_JET_PRESSURE_OF_______MPA.?$ |
| A. | 0—1 |
| B. | 0—0.2 |
| C. | 0.2—0.8 |
| D. | >1 |
| Answer» D. >1 | |