以下为句子列表：
英文: It is proved by practice that the pipeline lined with the rolling insertion method not only seldom leaks, but also suits to the slushy fluid because the PE linef has high roundness,low frictional drag factor and high resistance to chemical corrosion.
中文: 由于这种衬里管成圆度高、摩阻系数低,并具有抗化学物质侵蚀等特点,所以经实践证明,采用聚乙烯管转动成衬的管道不但流体损失少,而且对输送颗粒物质的抗蚀性较高。
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