“maintenance personnel”造句，怎麼用maintenance personnel造句

Operating and maintenance personnel must be adequately protected from the electrical hazards associated with open electric elements.

The maintenance personnel installed air conditioners.

I promise all maintenance personnel availability, the better for the customers.

The third step: education, whether the maintenance personnel check dress requirements, highway repair and support type signal standard car is normal.

The maintenance personnel on the snowy days were quickly dragged down.

They send maintenance personnel to repair disk drives.