Nau neihna shed-a ventilation system chu positive pressure ventilation, negative pressure ventilation, equal pressure (or micro positive pressure) ventilation mode, leh natural ventilation. positive-pressure ventilation leh equal-pressure (or micro-positive) ventilation modes te chu filtration system-a filtration system-a negative design-a hman tur, filtration system-a hman dan tur ang chiah, a awm bawk a, chu chu filtration system-ah pawh a awm a ni. Tuna Modern Pig House hman a ni tawh a, he paper hian ventilation system-a maternity care-a negative pressure mode hman tlanglawn ber a rawn tarlang ber.
Non filtration negative pressure-ah chuan, boruak intake dan hrang hrang angin, mahse roof wind mode-ah then, curtain cooling roof-a thli mode-a then, leh curtain-a joint mode-a joint mode-a longitudinal wind-a then a nih chuan, China rama 30℃aia sang emaw, curtain roof wind mode-ah emaw roof-ah a awm thei lo Summer high temperature area dang chuan roof leh curtain vertical wind, emaw curtain cooling roof wind mode (he mode hian thermal insulation materials hmanga roofing leh ceiling a mamawh a, chu area ang zelin shed-a ventilation tling a awm theih nan). a hmang tur a ni.
