词汇	球面铰刀
释义	球面铰刀 ball reamer
随便看	commutator bore commutator brush commutator brush track diameter commutator bush commutator bushing commutator circuit commutator clamping ring commutator compound commutator-controlled weld commutator controlled welding commutator-controlled welding commutator controller commutator-controlling commutator core commutator-core extension commutator cover commutator detector commutator diameter commutator dressing stone commutator drift compensation system commutator ear commutator electromotor commutator end commutator end bearing commutator end bracket