中英惯用短语:
  •   双柱铣床   double column milling machine
  •   双柱高速压力机   double-sided high speed press
  •   双柱龙门刨磨床   double column plano-grinding machine
  •   双柱龙门刨铣床   double column plano-milling machine
  •   双栅场效应晶体管   double-gate field effect transistor
  •   双栅整流器   twin-grid rectifier
  •   双栅管   dual-grid tube
  •   双栅管   double-grid tube
  •   双栅阀   double-grid valve
  •   标准纬线等积圆锥海图   conic projection with two standard parallel
  •   双标度盘   double-dial
  •   双标度计时器   double-dial timer
  •   双标度频率计   frequency meter with double scale
  •   双样板修整机   two-screed finishing machine
  •   双样试验机   two unit tester
  •   双核对   check, twin