| |||
阻力 | |||
摩擦力 |
friction force : 27 phrases in 13 subjects |
Automobiles | 2 |
Aviation | 1 |
Bridge construction | 2 |
Drilling | 1 |
Electronics | 3 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Nautical | 1 |
Oil / petroleum | 2 |
Rail transport | 2 |
Sports | 1 |
Technology | 7 |
Wind Energy | 3 |