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Concrete Mixers

Linda D. Williams

出版	Capstone, 2005
主題	Juvenile Nonfiction / Readers / BeginnerJuvenile Nonfiction / Technology / Machinery & ToolsJuvenile Nonfiction / Technology / General
ISBN	07368513219780736851329
URL	http://books.google.com.hk/books?id=AVYIm5lHVEEC&hl=&source=gbs_api
EBook	SAMPLE

註釋

Text and photographs introduce concrete mixers and their parts such as drums to turn and mix the wet concrete and the chute that the concrete pours out of.