1. Most office buildings have dozens of air ducts and vents.

2. Unsightly aluminum air ducts intrude into the cozy but cramped reading alcove.

3. Lists some Japanese enterprises dealing with air duct cleaning.

4. HVAC system - -- Thermal insulation for the air duct and pipe system of HVAC.

5. All air duct and water duct are not shown in clean room.

6. A combined type air duct assembled by refractory plates is developed and designed.

7. Inspecting whether the brackets and cradles for the air duct and condensate pipes are reliable.

8. Return air duct section. Single - or double - line ducts can be specified.

9. So , Ross, you go in through the air duct and disable the alarm, okay?

10. The structure and characteristics of the air duct are described.

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11. The bronchial lavage has achieved a good effect in diagnosing diseases of air duct in neonatus clinic.

12. The thermal source of the motor, the equivalent coefficient of heat conductivity for stator coil and coefficient of heat radiation in the air duct and airgap by forced air circulation are analyzed.

13. An intense field dielectric air filtration system includes a perimeter frame for wall or ceiling mounting at the inlet of a return air duct for an air conditioning apparatus.

14. 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.

15. The bronchial lavage has achieved a good effect in diagnosing diseases air duct in neonatus clinic.

16. The air inlet is connected with a blower via an air duct, and a fuel gas purifier is communicated with and arranged onto the connecting pipe between the furnace body and the gas stove.

17. In this paper effect of air temperature, air flow rate, air duct size and distance between air ducts on the performance of mixed flow grain dryer were analyzed And discussed.

18. The heating thermostat system in the cabinet is mainly consisting of anti-explosion centrifuge fan and electric heater, appropriate air duct construction and MC anti-explosion controller.

19. Excellent thermal solutions for the superior heat DP motherboard solutions, excellent internal air duct design.

20. At night, the straw bales are dried by the hot air through the snakelike air duct.