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| steel pipe lined with plastic (Metals and plastics can often be combined. For corrosion-resistance, steel pipes lined with plastic and plastic-coated steel sheets are being used on an increasing scale. 金属和塑料常常可以结合在一起。为了抵抗腐蚀，衬塑料钢管和塑料涂层薄钢板正获得日益广泛地使用。) | |||
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衬塑钢管 : 4 phrases in 4 subjects |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Shipbuilding | 1 |
| Technology | 1 |
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