In an embodiment, the blower is structured to supply air at positive pressure.
在一个实施例中，鼓风机被构造为以正压供应气体。
2
Airflow from the large cyclone collector inhalation top return air duct blower, this machine is a closed loop system, the air flow, and circulation in the flow of positive and negative state.
JMD Blower Tubing ventilation is one of the most cost-effective means of underground positive ventilation when air must be delivered at a distance from a fan.