书籍详情
格式
平装书
页数
24
语言
英语
已发布
Jan 1, 2015
出版商
Childs World Inc
ISBN-10
1631436910
ISBN-13
9781631436918
描述
Learn more about sewer inspectors, including what they do on a typical day, what the grossest parts of the job are, and what technology they use to stay safe and make the job less gross.
类型
科学与技术