Sheet Metal and Air Conditioning Contractors' National Association

（重定向自SMACNA）

The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA; pronounced 'Smack'-'Nah') is an international trade association with more than 4,500 contributing contractor members in 103 chapters throughout the United States, Canada, Australia and Brazil. Its headquarters is in Chantilly, Virginia.

单词	SMACNA
释义	SMACNA 英语百科 Sheet Metal and Air Conditioning Contractors' National Association （重定向自SMACNA） The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA; pronounced 'Smack'-'Nah') is an international trade association with more than 4,500 contributing contractor members in 103 chapters throughout the United States, Canada, Australia and Brazil. Its headquarters is in Chantilly, Virginia.
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