合理确定齿轮泵的工作转速，使齿轮与轴的转动避开啮合共振频率，可以防止噪声加剧。
Rationally define the work gear pump speed, gear and the axis of rotation to avoid engaging resonance frequency, can prevent noise intensified.
独特的凸凹啮合齿廓，使两齿轮在接触点处的综合曲率半径较大。
The special meshing of convex and concave teeth profile makes the relative radius of curvature of the contacting point longer.
承载齿轮的平行啮合使行星轮系结构较紧凑。
The parallel meshing of several gears under load permits a compact construction.
电动门滑动控制机构工作过程如下：有电时，齿轮与齿条啮合，由于摆块顶住齿条使管状电机带动外套管转动。
The sliding door control mechanism works as follows: when there is electricity, the gear and rack meshing, as the pendulum block against the rack to drive the outer tube tube motor rotation.
在一个手动变速器里，当你操纵换挡杆从一个档位到另一个档位时，齿轮沿轴向滑动，使大小不同的齿轮进行啮合从而满足不同的传动比的需要。
In a manual transmission, gears slide along shafts as you move the shift lever from one position to another, engaging various sized gears as required in order to provide the correct gear ratio,.
主轴的进能量和转速是通过选速杆使主轴箱中的适当齿轮相啮合而控制的。
Spindle feeds and speeds are controlled by selector levers which engage the proper gears in the drill head.
在轴的一端安装齿轮，通过与安装在排种器上的齿轮外啮合，使搅拌轮随排种器反向转动。
One end of the shaft is provided with a gear wheel which is externally engaged with a gear wheel on a seeding unit, so that the stirring wheel is reversely rotated following the seeding unit.
使用齿轮啮合印痕测取纸，使测取过程特别简单，而且所测取的印痕清晰、准确。
The adoption of the paper for acquiring gear engaging traces makes the acquiring process especially simple, and the acquired trace has the advantages of clearness and accuracy.
使用齿轮啮合印痕测取纸，使测取过程特别简单，而且所测取的印痕清晰、准确。
The adoption of the paper for acquiring gear engaging traces makes the acquiring process especially simple, and the acquired trace has the advantages of clearness and accuracy.
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