loop back | |
tech. | 回送; 返回 |
checking | |
cast.iron. | 减风; 放风 |
fin. | 复核; 核算 |
met. | 检查; 核对; 测试 |
space | 阻止 |
| |||
回送; 返回 | |||
环回; 数字环回; 数字环回测试 |
loop back : 27 phrases in 13 subjects |
Aviation | 1 |
Computer networks | 2 |
Electric machinery | 1 |
Electronics | 1 |
Figure skating | 6 |
Information technology | 3 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Rail transport | 1 |
Skydiving | 2 |
Space | 1 |
Technology | 4 |
Telecommunications | 3 |