Request/Response
| Header
| request response | |
| el. | 请求应答; 要求回答 |
| header | |
| construct. | 丁头砖 |
| IT | card首 卡 、标题卡片 |
| IT од. | 首部; 报头 |
| mech. | 集气管 |
| met. | 头部 |
| roll. | 顶锻机; 镦粗机 |
| |||
| 请求应答; 要求回答 | |||
|
Request/Response : 13 phrases in 7 subjects |
| Agriculture | 1 |
| Aviation | 2 |
| Commerce | 1 |
| Computer networks | 1 |
| Electronics | 5 |
| Information technology | 2 |
| Space | 1 |