Senior positions in this unit group, such as set-up operator, require experience as a machine operator.

本单元组的高级职位，如安装操作员，需要机器操作员的经验。

youdao

Senior positions in this unit group, such as set-up operator, require experience as a machine operator.

本单元组的高级职位，如安装操作员，需要机器操作员的经验。

youdao