自动式油压缸控制贴合压力，可使上下两滚筒左右压力平衡受力。

Automatic control of hydraulic cylinder pressure fitting can drum up and down about the two forces balance stress.

youdao

自动式油压缸控制贴合压力，可使上下两滚筒左右压力平衡受力。

Automatic control of hydraulic cylinder pressure fitting can drum up and down about the two forces balance stress.

youdao