Therefore it plays an important role in ensuring quality of engine maintenance and enhancing operating reliability and prolonging service life.
它对保证发动机维修质量，提高发动机的工作可靠性和延长使用寿命起着十分重要的作用。
Goodness or badness of crank quality will directly influence service life of internal combustion engine, and relate to their safe and reliable operation.
曲轴质量的好坏将直接影响内燃机的使用寿命，也关系到它们的安全可靠运行。
Goodness or badness of crank quality will directly influence service life of internal combustion engine, and relate to their safe and reliable operation.
曲轴质量的好坏将直接影响内燃机的使用寿命，也关系到它们的安全可靠运行。
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