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حداقل 8 کاراکتر
This post is also available in: فارسی (Persian)
Variable refrigerant flow (VRF), known as variable refrigerant volume, is an HVAC technology invented use as the cooling and heating medium.
Larg heat exchanger and airflow volume. Wide operation range. Auto dust removal.
Jet Fan is a pollution control solution that help induce air to a common exhaust point through directed airflow.
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