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.
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