Bulldozers

Bulldozers
出版社:Creative Education
頁(yè)數(shù):24
詞匯量:428
AR:2.9
虛構(gòu):非虛構(gòu)
ISBN:9781583417256
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圖書介紹

A basic introduction to the features and functions of bulldozers, examining the forms they have taken from the 1800s to today. An activity demonstrates how a bulldozers blade works.
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