The subject designs a set of automatic control system which is aiming at maximizing the operation efficiency of bulldozer.
本课题以推土机的作业效率最大化为目标，设计了一套推土机作业控制系统。
The paper aims at the testing and analysis of the transition of gear shifting, on the basis of electronic operation transmission for the PD220Y bulldozer.
在PD220Y型推土机电操纵换档的基础上，对换档结合过渡过程的油压进行测试和分析。
The paper aims at the testing and analysis of the transition of gear shifting, on the basis of electronic operation transmission for the PD220Y bulldozer.
在PD220Y型推土机电操纵换档的基础上，对换档结合过渡过程的油压进行测试和分析。
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