安全片装在前辊轴承与调距螺杆之间，它用铸铁制造，其灵敏性高，容易被破坏。

Safety of installed in the front roll bearing and the distance between the screw, it cast iron manufacturing, the sensitivity is high, easy to be destroyed.

youdao

安全片装在前辊轴承与调距螺杆之间，它用铸铁制造，其灵敏性高，容易被破坏。

Safety of installed in the front roll bearing and the distance between the screw, it cast iron manufacturing, the sensitivity is high, easy to be destroyed.

youdao