单词	levee footing
释义	levee footing 堤防底脚
随便看	armature reaction armature reaction-excited machine armature reaction field armature reaction harmonics armature reaction MMF armature-reaction mmf armaturereaction reactance Armature reaction reactance armature rebound armature-rebound contact chatter armature relay armature releasing armature residual gap armature resistance armature resistance starting armature resistance voltage armature restoring spring armature returning armature returning, magnetic armature return spring armature rheostat armature, rotating armature rotor armatures armature shaft