| |||
reserve stock | |||
spare unit | |||
candidate material; lay-by materials; spare materials | |||
standby material |
备用材料 : 11 phrases in 10 subjects |
Architecture | 1 |
Automobiles | 1 |
Aviation | 1 |
Earth sciences | 1 |
Economy | 1 |
Finances | 1 |
International trade | 1 |
Oil / petroleum | 1 |
Shipbuilding | 1 |
Technology | 2 |