reduction of thread
| angle diameter
| reduction of thread | |
| non-destruct.test. | обнижение резьбы |
| angle diameter | |
| auto. | средний диаметр |
| mech.eng. obs. | диаметр на сторонах |
| |||
| обнижение резьбы (M18×1;5 на 0,2 мм, M18×1.5 by 0.2 mm) | |||
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reduction of thread : 8 phrases in 3 subjects |
| Mathematics | 1 |
| Non-destructive testing | 5 |
| Technology | 2 |