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| вловлювач для скребачок (на трубопроводі) | |||
| 英语 词库 | |||
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| A fitting in either end of a pipeline with a shut-off valve and a door to insert or remove a pipeline scraper which is pushed through the pipeline to clean it and increase flow efficiency. (Natural Gas Glossary, American Gas Association 2Xist) | |||
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scraper trap : 2 短语, 1 学科 |
| 油和气 | 2 |