滤芯 : 141 phrases in 16 subjects |
Agriculture | 3 |
Automobiles | 72 |
Aviation | 1 |
Chemistry | 1 |
Compressors | 8 |
Construction | 1 |
Drilling | 1 |
Electronics | 6 |
Hydroelectric power stations | 1 |
Information technology | 1 |
Metallurgy | 2 |
Oil / petroleum | 5 |
Polymers | 1 |
Rail transport | 2 |
Technology | 35 |
Transport | 1 |