The low-speed automatic transmissions only have narrow scope of speed variable capacity, such as four-speed automatic transmission and five-speed automatic transmission, and can not be able to fully meet the present condition of the vehicle design requirements.
变速范围较窄的低速自动变速器,比如四速自动变速器和五速自动变速器,已经不能够充分满足现在汽车各工况的设计要求。
参考来源 - 汽车新型六速自动变速器的CAE分析研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A simplified model of variable speed variable pitch wind turbine is established.
建立了变速变桨距风力发电机组的简化模型。
Speed variable hydraulic coupling device could be used in every kind of motors, but is less safety than the former.
调速型液力耦合器，适用于各类电动机，但可靠性不如前者；
The utility model relates to a part feeding device, in particular to a speed variable flexible automatic feeding combination device.
本实用新型涉及一种零件送料装置，尤其是一种可调速柔性自动送料组 合装置。
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