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 |  | ① air condition (-ing,-ed,-er)  |  
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 |  | American Engineering Standards  | 
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 |  | American National Standards Institute  | 
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 |  | Air Pollution Control Association  | 
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 |  | American Public Health Association  | 
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 |  | American Society of Civil Engineers  | 
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 |  | American Society of Heating Refrigerating and Air Conditioning   | 
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 |  | American Society of Heating and  | 
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 |  | absolute temperature scale  | 
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 |  | average water temperature  | 
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 |  | British Association Standard  | 
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 |  | British Engineering Standard   | 
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 |  | British Refrigeration Association  | 
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 |  | British Refrigeration and Air  | 
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 |  | ① British Standards Institution  | 
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 |  | ② Building Societies’ Institute  | 
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 |  | British Standard Specification  | 
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 |  | British thermal units per hour  | 
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 |  | critical compression ratio  | 
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