焊接套管 welding socket ; welded casing ; solderingsleeve ; Anschweiandszlig 螺旋焊接套管 spiral welded casing 卡瓦焊接套管挂 slip-weld hanger ; weld hanger ..
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短语
螺旋焊接钢板套管
spiral-weld sheet metal casing
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weld sheet metal casing
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spiral welded casing
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spiral welded casing
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