extended service life meaning in English

延长的使用期限

Methods for extending service life of high - speed bearing
延长高速轴承使用寿命的方法
Methods of extended service life for centrifugal pump of power plant
延长电厂离心泵使用寿命的有效方法
Extending service life of residue hydrotreating catalyst by injecting sulfur
渣油加氢工艺的研究与应用
Improve road quality and extend service life of tires for electric shovel
改善道路质量以提高电动轮轮胎的使用寿命
Standard specification for preformed retroreflective pavement marking tape for extended service life
延长使用寿命的预制反射路面标志带的标准规范

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