I-negative pressure fan, ebizwa nangokuthi i-exhaust fan noma i-ventilation fan, iyithuluzi lomshini elisusa umoya ongcolile, umswakama kanye nephunga endaweni evaliwe.Abalandeli be-exhaust bangasetshenziswa ezindaweni ezahlukahlukene: amapulazi emfuyo, izindawo zokugcina izithombo, izindawo zokusebenzela zezimboni, njll. Ukuze le...
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