此外，本发明有效减小了底架的外形尺寸和重量，进而方便整机转场及安装。

In addition, the external size and the weight of the underframe are effectively reduced to further facilitate transportation and installation of a whole machine.

youdao

此外，本发明有效减小了底架的外形尺寸和重量，进而方便整机转场及安装。

In addition, the external size and the weight of the underframe are effectively reduced to further facilitate transportation and installation of a whole machine.

youdao