code extension
| key
| code extension | |
| telecom. од. | 代码扩充 |
| key | |
| archit. | 销上; 插上; 用键固定; 按键钮; 自动开关; 提供线索 |
| f.trade. | 符号解释 |
| hydroel.st. | 关键 |
| rugb. | 盯防 |
| |||
| ★ 代码扩充 | |||
|
code extension : 8 phrases in 4 subjects |
| Information technology | 3 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 2 |