机电设备等级：四类。

Electromechanical device rank: Four kinds.

youdao

这家工厂已经有年头了，设备已经过时，实行的是传统的等级文化。

The plant was very old, with outdated equipment and a traditional hierarchical culture.

youdao

这家工厂已经有年头了，设备已经过时，实行的是传统的等级文化。

The plant was very old, with outdated equipment and a traditional hierarchical culture.

youdao