| |||
sealing-off | |||
open weld; unsolder; unsolder-ing | |||
tip-off | |||
| |||
tip-off |
开 焊 : 55 phrases in 10 subjects |
Architecture | 1 |
Automobiles | 2 |
Chemistry | 1 |
General | 4 |
Hydroelectric power stations | 1 |
Metallurgy | 15 |
Nautical | 2 |
Oil / petroleum | 2 |
Plastics | 4 |
Technology | 23 |