{"lablename3":"高二物理","title":"在家庭电路中,开关和电灯是_联的,插座与电灯是_联的,保险盒是_联在电路中的...[高二][物理]","mkid":"","lablename2":"高二年级","pagetype":3,"infoid":"1290318","infotype":0,"lablename1":"高中"}