确保所有的机器设备及器具的清洁，并能正常工作。

Makes sure that all machines, furniture, equipment, and utensils are clean and in working conditions.

youdao

确保所有的机器设备及器具的清洁，并能正常工作。

Makes sure that all machines, furniture, equipment, and utensils are clean and in working conditions.

youdao