书籍详情
格式
Kindle
页数
24
语言
英语
已发布
Jul 25, 2013
出版商
Bellwether Media
ISBN-10
1618910604
ISBN-13
9781618910608
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!