Long service life of diesel engines in pump station determines the availability and maintainability of the engine, the pipeline safe operation as well as the realization of oil transport targets.
输油泵站柴油机组使用寿命的长短，不但影响着机组的利用率和维护保养费用，而且影响着管道的安全运行和输送任务的完成。
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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