单词	butyric alcohol
释义	butyric alcohol = butanol
随便看	commutator arcing commutator armature commutator assemble commutator bar commutator-bar commutator bar assembly commutator bar pitch commutator bar slot commutator bolt 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