本发明兼具价廉和耐候性的特点，又解决了汽车燃料使用乙醇汽油后胶管出现溶胀的问题。
The rubber tube has characteristics of low price and weathering resistance and helps solve a problem that the rubber tube swells after use of the ethanol gasoline as automobile fuel.
本发明兼具价廉和耐候性的特点，又解决了汽车燃料使用乙醇汽油后胶管出现溶胀的问题。
The rubber tube has characteristics of low price and weathering resistance and helps solve a problem that the rubber tube swells after use of the ethanol gasoline as automobile fuel.
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