"Pa intaneti-chlorinated sodium hypochlorite dosing system," nthawi zambiri imatanthawuza machitidwe omwe amagwiritsidwa ntchito popha tizilombo toyambitsa matenda kapena kuthirira mankhwala m'mafakitale osiyanasiyana, monga malo opangira madzi, malo oyeretsera madzi onyansa, kapena maiwe osambira.Dosing system nthawi zambiri imawononga ...
Werengani zambiri