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4驱动液压系统单变量马达的匹配计算压路机双桥液压换挡使用两个变量马达,单桥换挡的含义是只有一个桥有换挡功能。单轮振动压路机的单桥换挡是在驱动桥装变量马达,或
4 drive hydraulic system univariate motor matching calculation Double hydraulic bridge hydraulic shift using two variable motor, single bridge shift means that only one bridge has a shift function. Single-axle vibration roller single-axle shift is driven variable-motor drive axle, or