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螺纹弯头 | Threaded Elbow
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螺纹三通 | Threaded Tee
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螺纹四通 | Threaded Cross
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螺纹管箍 | Threaded Coupling
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螺纹活接头 | Threaded Union
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六角外丝 | Hexagonal Nipple
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堵头 | Plug
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螺纹管帽 | Threaded Cap
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补芯 | Bushing
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螺纹短节 | Pipe Nipple
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渐缩管 | Swage Nipple
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螺纹斜三通 | Threaded Lateral
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内外螺纹弯头 | Threaded Street Elbow
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承插焊弯头| Socketweld Elbow
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承插焊三通 | Socketweld Tee
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承插焊四通 | Socketweld Cross
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半管接头 | Socket Weld Boss
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异径插入件 | Socketweld Reducing Inserts
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承插焊斜三通 | Socketweld Lateral Tee
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承插焊活接头 | Socketweld Union
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承插焊管帽 | Socketweld Cap
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承插焊管箍 | Socketweld Coupling
