应力 循环 : 80 phrases in 15 subjects |
Automobiles | 7 |
Bridge construction | 2 |
Compressors | 1 |
Electric machinery | 1 |
Electronics | 2 |
Engineering geology | 10 |
Hydroelectric power stations | 1 |
Metallurgy | 24 |
Oil / petroleum | 1 |
Plastics | 2 |
Polymers | 1 |
Space | 4 |
Sports | 2 |
Technology | 19 |
Wind Energy | 3 |