The power of engine that oil pump consumed changes with the working conditions in the construction vehicle, however, it was considered as a constant in the previous studies on shift strategy.

工程车辆的工作油泵消耗的发动机功率是随着工况而变化，在以往的自动换挡策略研究中都把它作为固定值考虑。

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Tanker tonnage identified, conception of engine horsepower size, best matched with tank tonnage, carrying big, small engine, oil transport vehicle back force.

罐车吨位确定了，就要构思发动机的马力大小，最好跟油罐吨位匹配了，承载大了，发动机小，油品运输车辆背力。

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Ther right crankcase is an important part of the motorcycle, the quality direct influence engine performance and vehicle quality, and the processing requirements of the oil duct hole is higher.

右曲轴箱是摩托车上的一个重要零件，其加工质量的好坏直接影响发动机性能和整车质量，该零件的油道孔加工要求较高。

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