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выигрыш в силе при использовании простейших рабочих механизмов (напр., рычагов) |
ratio of weight : 14 phrases in 8 subjects |
Artillery | 1 |
Automobiles | 3 |
Combustion gas turbines | 2 |
General | 1 |
Mechanic engineering | 1 |
Oil / petroleum | 1 |
Transport | 3 |
Welding | 2 |