multi-speed reduced gear
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通过设计单泵多马达液压变速器的传动回路，得出多马达中各个子马达之间工作方式的组合可以使变速器传动比有多级变化。
Through the drive circuit design of the new hydraulic transformer, it is concluded that the transmission ratio has multi-level changes due to the combination of each sub motor working mode.
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