油库油气回收系统由三部分组成：罐底部的快速接头和帽盖，手动或气动阀，弯头、无缝钢管;穿过罐体底部和顶部的无缝钢管,或外部管路连接系统;罐顶部的弯头，手动或气动阀，胶管，并联主管，返入罐体内的弯头等。

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