WSO Water Distribution Grades 1 & 2: Water Main Disinfection & Dechlorination, Ch. 7

Поделиться
HTML-код
  • Опубликовано: 26 сен 2016
  • НаукаНаука

Комментарии • 1

  • @jriv7047
    @jriv7047 2 года назад

    Do you have to take BacT samples if you swab a short piece of pipe and put back in service.