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Flexible pipe (also called wire road coated with plastic), is the welding steel pipe coated plastic resin. To prevent separation between coating and steel, special adhesive is used.
线棒（也称覆塑管），是带有塑料涂层的焊接钢管，为防止涂层与钢管分离，它们之间使用特殊的粘合接。
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