亲电试剂属于有机酸
鱼藤酮的作用机制是抑制昆虫体内()。(0.5分)
汽车点火线圈的低压线圈接( )
http://img2.ph.126.net/vAno5GeCTTLbEaJRd1fkPg==/1134907106114843546.gif
http://img1.ph.126.net/7yKa3uNEbu1m21Ior739oQ==/3362781546862240816.gif