云 母 片 : 150 phrases in 17 subjects |
Agriculture | 3 |
Architecture | 3 |
Automobiles | 1 |
Computer numerical control | 1 |
Dermatology | 1 |
Desert science | 1 |
Earth sciences | 5 |
Electric machinery | 17 |
Electronics | 5 |
Engineering geology | 7 |
General | 5 |
Geology | 2 |
Hydroelectric power stations | 3 |
Isolation | 3 |
Metallurgy | 5 |
Oil / petroleum | 5 |
Technology | 83 |