描述
Dump trucks help the other machines on a construction site by transporting dirt or other materials. Some dump trucks can carry a load of up to 52,000 pounds. Read about how these machines work and watch for when the truck dumps its load!
書籍詳情
格式
Kindle
頁數
13 頁
語言
英語
已出版
Feb 6, 2013
出版商
Bellwether Media