The speed shifting mechanism is a two-stage or more than two-stagespeed 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。
2
Introduces the calculation methods of 13 stagespeed diagrams of the main well hoister of mine, and provides the theoretical basis for the calculation of speed diagram of hoister.
给出了矿井提升机13阶段速度图的计算方法,为矿井提升机速度图的计算提供了理论依据。
3
At the next stage when the customer is about to make the purchase and is shopping for the best price and speed of delivery, he USES his search engine.