每6个月进行一次化学卫生处理，对储槽和配水回路每月进行一次热力杀菌。

O. Plant every 6 months, and thermal sterilization of the storage tank and distribution loop every month.

youdao

每6个月进行一次化学卫生处理，对储槽和配水回路每月进行一次热力杀菌。

O. Plant every 6 months, and thermal sterilization of the storage tank and distribution loop every month.

youdao