其结构特点是：机座采用钢板压形焊接机座，滚动抱轴承结构；

Frame is a press-formed welded fabrication and hugging bearing structure;

youdao

其结构特点是：机座采用钢板压形焊接机座，滚动抱轴承结构；

Frame is a press-formed welded fabrication and hugging bearing structure;

youdao