The operating noises of the gear pump are mainly from the perturbations of mass flow rate and the pressure, which result in the error of gear teeth geometry contact during the rotation.

齿轮泵中轮齿啮合几何学上的原因所造成的流量脉动及其相应的压力脉动是产生噪声的主要原因之一。

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Please contact us or your wallpaper installer to calculate your exact paper needs based on your room geometry.

欢迎联系我们，或许给你的安装工能够基于你房间的几何形状精确算出所需的墙纸数。

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Based on the analysis of geometry parameters and contact stresses of the deep groove ball bearings, the control equation of groove curvature radius has been drawn out.

在对深沟球轴承几何参数及接触应力分析的基础上，给出了沟曲率半径系数的控制方程，并对轻、中、重系列轴承的外圈沟曲率半径系数的选取进行了探讨。

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By running simulations, engineers may be able to alter the geometry of the cabin to change where contact is made.

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