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light alloy drillpipe (разг. MichaelBurov) | |||
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aluminium pipe | |||
aluminum pipe | |||
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алюминиевые трубы: 31 短语, 8 学科 |
医疗器械 | 1 |
建造 | 1 |
油田 | 2 |
消防和火控系统 | 1 |
石油/石油 | 3 |
石油和天然气技术 | 1 |
运输 | 2 |
钻孔 | 20 |