电焊专业人员进入作业现场，作业人员一定要穿戴好防护用品并应戴好防护镜或防护面罩。

When entry in the site, the worker should wear the protection goods, the welder should wear the protective.

youdao

电焊专业人员进入作业现场，作业人员一定要穿戴好防护用品并应戴好防护镜或防护面罩。

When entry in the site, the worker should wear the protection goods, the welder should wear the protective.

youdao