词汇	black commutation
释义	black commutation 无火花换向
随便看	Single Peroxisomal Dysfunctions single person single-phase AC traction motor single-phase adaptive auto-reclose single-phase adaptive auto-reclosure single-person single-person company Single-person Company single-person household single-person households Single Persons single person supplement single-person tour single PFC single phantom circuit single phantom line singlephase single-phase single-phase AC single phase A.C single-phase AC/AC voltage adjustment system Single phase AC circuit single-phase AC-DC converter single-phase AC electric locomotive single phase a.c.generator