Description: This instrument work in projector, can show to order the electric charge, of same race electric charge different race electric charge, parallel plank, cone conductor, electrostatic inductionetc. the image of the electric field line. |
No.1, Bei Yi Xiang, Damucang Hutong, Xidan, Beijing P.R.C.100032
Copyright © 2009 China Educational Instrument & Equipment Corp. All rights reserved.
Damucang Hutong, Xidan, Beijing P.R.C.100032