单词	群种免疫
释义	群种免疫species immunity
随便看	armature pickup rebound armature pinion armature plate armature play armature pole armature pusher armature ratio armature reactance armature reactance factor armature reaction armature reaction-excited machine armature-reaction mmf armature reaction of synchronous machine armature reaction reactance armature rebound armature relay armature residual gap armature resistance armature return spring armatures armature shaft armature side play armature sleeve armature slot armature slotted-core