集中空调关闭期间，采集集中空调通风系统送风管内的积尘样品，检测其细菌总数、真菌总数；
Dust sample in blast pipe was collected when centralized air ventilation system was off, the total content of the bacterium and fungus was examined.
补充一下，在这些天里开通或者关闭，空调和加热器。
In addition, turn up, or off, the air conditioning or heater during the day.
当你离开房间的时候，请关闭空调，热水器，电视，电灯等其他的电器设备电源。
When you leave the room, turn off the air conditioning, heat, television, lights or any other electric devices.
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