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。
Steel pipe is the most common, but fiberglass pipe, cement-lined steel pipe, and flexible plastic pipe are also used.
目前，国际上性能十分优异的工程塑料——尼龙12被广泛应用在燃油管路系统及汽车气动管路系统。
Now the engineering plastic Nylon 12 with its superior performances is widely used in the fuel supply line system and automotive pneumatic tube system in the world.
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