 |
| |||
| 机械保险装置; 机械锁 | |||
| |||
| 机械锁; 机械化船闸 | |||
| mechanical locks: 4 phrases in 4 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Hydroelectric power stations | 1 |
| Technology | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips