紧急停机按钮；保护用的接触开关；确保操纵人员的使用安全。

Emergency button and the protection of contact switch, make sure the personnel security of manipulator.

youdao

紧急停机按钮；保护用的接触开关；确保操纵人员的使用安全。

Emergency button and the protection of contact switch, make sure the personnel security of manipulator.

youdao