“一定频率的光照到金属上会使金属发射电子,金属原子失电子变成阳离子,再和O2反应造成腐蚀”
这样推理对不对
bookgangtie 2009-01-28 18:46
subsistierend 2009-01-28 18:50
fdb713 2009-01-28 18:56
670330219 2009-01-28 18:59
bookgangtie 2009-01-28 19:01
Francisco 2009-01-28 19:03
670330219 2009-01-28 19:11
sunnybird 2009-01-28 19:20
humboldtpenguin 2009-01-28 20:06
舍勒七世 2009-01-28 20:48