缩聚 物 : 54 phrases in 14 subjects |
Aviation | 1 |
Chemistry | 5 |
Construction | 1 |
Drilling | 1 |
Electronics | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 3 |
Metallurgy | 1 |
Oil / petroleum | 5 |
Plastics | 5 |
Polymers | 19 |
Technology | 7 |
Textile industry | 2 |
Water resources | 1 |