那意味着更短的使用寿命以及更加沉重的维修费用。

That means a shorter，lifespan and heavier maintenance.

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那意味着更短的使用寿命以及更加沉重的维修费用。

That means a shorter, lifespan and heavier maintenance.

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从分析柴油机的折旧规律、维修费用规律以及燃油耗费用规律入手，对195柴油机的经济寿命和更新周期问题进行了分析。

From the angle of diesel engines depreciation rule, maintenance cost rule and the consumption rule, This paper analyzes the questions of 195 diesel engines economy-life and update revolution.

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