发黑处理 | |
auto. | black oxide treatment |
met. | black finish |
met.work. | blacking |
可调扳手 | |
archit. | crescent wrench |
auto. | monkey spanner |
oil | crescent wrench |
| |||
black oxide treatment | |||
black finish | |||
blacking | |||
blackening |
发黑处理 : 21 phrases in 4 subjects |
General | 2 |
Metallurgy | 13 |
Shipbuilding | 1 |
Technology | 5 |