Heating ventilation and air conditioning outdoor units for office and mall buildings with pipes manometers and thermometers

Name: Heating ventilation and air conditioning outdoor units for office and mall buildings with pipes manometers and thermometers
Uploaded: 2019-12-06
Duration: 17 s
Channel: morefootage
Description: Heating ventilation and air conditioning outdoor units for office and mall buildings with pipes manometers and thermometers