目前，国内对挖掘装载机反铲装置回转机构的研究还基本上是空白的。

And at present the research on rotation mechanism in the backhoe device still blank basically at home.

youdao

把WZ25-20挖掘装载机作为研究样机，其反铲挖掘装置主要由动臂、斗杆、铲斗、导轨机构、回转机构和连接架组成。

Now WZ25-20 is regarded as an example, its backhoe device consists of moving arm, pole, bucket, guiding organization and rotation mechanism.

youdao