loop back
| roll
| loop back | |
| tech. | 回送; 返回 |
| roll | |
| econ. | 一卷钞票; 帐单; 计算书 |
| fish.farm. | 拌盐; 抄盐 |
| met. | 辊子; 轧制 |
| met. од. | 轧辊 |
| rem.sens. | 胶卷轴; 横向倾斜 |
| |||
| 回送; 返回 | |||
| 环回; 数字环回; 数字环回测试 | |||
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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 |