MCQOPTIONS
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| 1. |
Russia has for the first time conducted a successful flight test of which of the following gas turbine engines made by 3D-printing? |
| A. | A400M |
| B. | LM-6000 |
| C. | EMB-312 |
| D. | MGTD-20 |
| E. | RBS-211 |
| Answer» E. RBS-211 | |