Three persons work on one table, where one operates the machine and two are responsible to produce the panel.

三人在一个台面上工作，其中一人操作机器而两人负责墙板的生产。

youdao

Three persons work on one table, where one operates the machine and two are responsible to produce the panel.

三人在一个台面上工作，其中一人操作机器而两人负责墙板的生产。

youdao