单词	书名缩写
释义	书名缩写 signature title
随便看	commutator variable speed motor commutator vee commutator vee-ring commutator veeVring commutator vee V ring commutator voltage commutator v ring commutator V-ring commutator v ring insulation commutator V-ring insulation commutator wear commutator welding machine commute commute a death sentence commute a sentence commuter car commuter category airplanes commute between commute between home and office commute circuit commute comfort for hardship commuted commuted annual allowance gratuity commuted band-pass filter commuted filter module