Switch on, switch off
题名:
Switch on, switch off
PERSONAL_AUTHOR_EPSB:
摘要:
Explains how electricity is produced and transmitted, how to create electricity using an electrical wire and a magnet, how generators supply electricity for cities, and how electricity works in homes.
出版日期范围:
1989
SERIES_EPSB:
物理描述:
32 p. : col. ill. ; 18 x 23 cm.
版:
1st ed.
附加著者:
ISBN:
9780690047844
9780690047868
出版信息:
New York : Crowell, c1989.
