When designing the house, the toilet must be equipped with ventilation equipment.

装修时，卫生间一定要留有风道。

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Ventilation: for every 30 square meters of space, need a platoon of fans or other ventilation equipment.

通风：每30平方米左右的空间，需要一台排风扇或者其他的通风设备。

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This section at 6 meters below the surface houses the ventilation equipment for the cooling of the transmitters.

地下6米处的这个区域，容纳了信号传送器通风冷却设备。

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Ventilation and air monitoring equipment has been installed inside the culvert for workers who will be removing the debris.

BBC: Tyne & Wear

The same team assessed the entire museum (150, 000 square meters of lighting, heating, electrical and ventilation systems) and came up with a seven-year plan detailing when the equipment would have to be replaced and how much it would cost annually.

FORBES: Sprinklers to sausages