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整块式 (指塔板) | |||
短节类型 |
cartridge type : 21 phrases in 12 subjects |
Automobiles | 2 |
Chemistry | 1 |
Compressors | 1 |
Electric machinery | 2 |
Electronics | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Geophysics | 2 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Plastics | 1 |
Space | 2 |
Technology | 5 |