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力的单位 | |||
单位力 |
unit force : 33 phrases in 11 subjects |
Automobiles | 5 |
Aviation | 4 |
Bridge construction | 6 |
Electric machinery | 1 |
Electronics | 1 |
General | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 3 |
Rail transport | 1 |
Technology | 7 |
United Nations | 2 |