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| pig launcher (Alexander Demidov); launching station (This is accomplished by inserting the pig into a "pig launcher' (or 'launching station') – a funnel shaped Y section in the pipeline. The launcher / launching station is then closed and the pressure-driven flow of the product in the pipeline is used to push it along down the pipe until it reaches the receiving trap – the 'pig catcher" (or receiving station). WAD Alexander Demidov) | |||
| trap (для ДОУ Alexander Demidov) | |||
| камера запуска: 44 短语, 11 学科 |
| 一般 | 2 |
| 库页岛 | 4 |
| 油和气 | 22 |
| 物理 | 1 |
| 石油/石油 | 1 |
| 石油和天然气技术 | 2 |
| 自动化设备 | 1 |
| 航空 | 2 |
| 萨哈林岛 | 1 |
| 萨哈林岛A | 4 |
| 里海 | 4 |