Sewerage is internal and outdoor.

03.07.2017 | комментариев 0 | раздел: Стены

Sewerage is internal and outdoor. This system includes biological, chemical or mechanical treatment facilities, which in turn are divided into local and industrial treatment facilities.

Оставить комментарий

Текст сообщения:

Имя:

E-mail:

Капча загружается...