Steel pipe is the most common, but fiberglass pipe, cement-lined steel pipe, and flexible plastic pipe are also used.

出油管线最普遍地由钢管组成，不过也使用玻璃纤维管、水泥衬里钢管以及柔性塑料管。

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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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Flexible Hose, Compensator, Oil Return Tube, Flexible Pipe, Metal Pipe, Stainless Steel Corrugated Expansion Pipe.

不锈钢波纹膨胀管、挠性软管、补偿器、金属软管，回油管，网套管。

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