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Q. |
During the blasting method pressure range used for ferrous metals is |
A. | 0.4 KPa to 0.7 MPa |
B. | 0.4 MPa to 0.7 MPa |
C. | 70 KPa to 0.4 MPa |
D. | 0.4 KPa to 0.7 kPa |
Answer» B. 0.4 MPa to 0.7 MPa |
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