以下为句子列表：
英文: The results indicate that the elastic operating stress range of a torsional axis is extended greatly by pre-twist process and the main reason lies on surface residual stress.
中文: 结果表明，预扭后扭力轴弹性工作应力範围得到极大扩展，其主要原因在于预扭塑变形成的表面残馀应力。
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英文: To prevent premature failure of the reinforced plastic fiberglass sucker rod, high quality products should be purchased, proper wells should be selected, the rod string design should be based on the stress range chart and operation and management should b
中文: 为防止玻璃钢抽油杆早期失效，应严把产品进货质量关；正确选择油井；按应力范围图进行玻璃钢杆柱设计；按要求作业施工；完善生产管理措施。
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