Slop pail and drainage equipment are set at the close back of bed, clean and sanitation.

污水桶和下水装置设在床体后面封闭处，干净卫生。

youdao

Slop pail and drainage equipment are set at the close back of bed, clean and sanitation.

污水桶和下水装置设在床体后面封闭处，干净卫生。

youdao