 |
| |||
| 液体回流管路 | |||
| 回流线 | |||
| 架空槽; 井口泥浆返出管线 | |||
| 返回通道 | |||
| 回浆管 | |||
| 回水管; 回水管道 | |||
| 返回线; 回流管 | |||
| 回流管线; 回水管线 | |||
| 吸人管 | |||
| 回归线技术分析 | |||
| 回汽管; 回油管路; 回水总管; 回描线; 返回线路; 回水，汽管; 回归〔返回〕线 | |||
| 折线; 回线; 回管 | |||
|
return line : 41 phrases in 13 subjects |
| Architecture | 1 |
| Automobiles | 5 |
| Compressors | 1 |
| Drilling | 2 |
| Electronics | 6 |
| Metallurgy | 1 |
| Multimedia | 1 |
| Oil / petroleum | 3 |
| Rail transport | 1 |
| Surgery | 2 |
| Technology | 15 |
| Telecommunications | 2 |
| United Nations | 1 |
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