The friction factor between two tooth surfaces of instrument gears during one meshing process is imitatively measured in this paper under the condition of ultra-low-speed.
本文在极低速情况下，模拟测定了仪表齿轮在一齿啮合过程中两齿轮齿面间摩擦系数的变化情况。
The six-speed automatic has a wide, 6.04:1 overall ratio - including two overdrive gears - that helps deliver an excellent balance of performance and fuel economy.
六速自动有着广泛的，整体的比例6.04：1-包括两个超速齿轮-这有助于提供的性能和燃油经济性良好的平衡。
The speed shifting mechanism is a two-stage or more than two-stage speed shifting mechanism formed by that at least two pairs of straight gears are made a transmission fit.
所述变速机构是由至少两对直齿轮传动配合构成的两级或两级以上的变速机构。
The speed shifting mechanism is a two-stage or more than two-stage speed shifting mechanism formed by that at least two pairs of straight gears are made a transmission fit.
所述变速机构是由至少两对直齿轮传动配合构成的两级或两级以上的变速机构。
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