本文介绍了节流式流量测量系统外接管长度对汽油机充量系数和扭矩特性的影响。

This paper introduces the effect of connecting pipe length of the flow measurement system on volumetric efficiency and torque characteristic of gasoline engines.

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通过理论和解析方法讨论连接管较长时，其内水体惯性对调压井水锤压力和水位波动的影响。实例分析表明：连接管长度增加可使调压井水锤压力升高，水位波动幅值减小。

Based on analytical method, the paper shows that raising the length of a riser can elevate the water-hammer pressure and reduce the fluctuation of water level effectively in surge tank.

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我可能必须重新焊接管顶端的垂直领导管并增加一些长度为更多的步行刀片清除。

I may have to re-weld the top tube for vertical head tube and add some length for more foot to blade clearance.

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