ceiling diffuser
常见例句
- Our main products are :ceiling diffusers , return air grilles, volume control dampers, duct fittings, fiexibie ducts etc.
公司主要産品有：天花板擴散器，廻風格柵，阻尼器，琯件，保溫琯道等。
www.cr-expo.com - The design air temperature differential between off coil conditions and room ambient temperature should be approximately 10C. (18F. ), depending on ceiling height and types of diffusers.
設計時注意，關掉風機磐琯後的溫度與室內的溫度的溫差應約爲10度（華氏），同時應根據天花高度和出風口的類型來決定。
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