导 向 装置 : 79 phrases in 15 subjects |
Agriculture | 1 |
Animal husbandry | 2 |
Automobiles | 11 |
Chemistry | 2 |
Drilling | 1 |
Electronics | 6 |
General | 3 |
Mechanic engineering | 1 |
Metallurgy | 12 |
Navigation | 2 |
Oil / petroleum | 4 |
Plastics | 2 |
Rail transport | 3 |
Technology | 26 |
Textile industry | 3 |