emergency message | |
tech. | 紧急呼救信号 |
handling | |
gen. | 操作 |
hydroel.st. | 处理; 维护; 操纵; 控制 |
interntl.trade. | 装卸 |
| |||
紧急呼救信号 |
emergency message : 22 phrases in 7 subjects |
Air defense | 4 |
Aviation | 2 |
Communications | 3 |
Electronics | 5 |
Information technology | 1 |
Space | 4 |
Technology | 3 |