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Underfeed Combustion, Effect of Preheat, and Distribution of Ash in Fuel Beds

Percy Nicholls

出版	U.S. Government Printing Office, 1934
URL	http://books.google.com.hk/books?id=5vQB6cW8gowC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN