中英惯用短语:
  •   双筒壁灯架   double-tube bracket light support
  •   双筒天体摄影仪   double astrograph
  •   双筒式水管锅炉   double-header boiler
  •   双筒振动压路机   twin-vibratory roller
  •   双筒旋转式分流器   dual rotating diverter
  •   双筒混合器   twin-shell mixer
  •   双筒生物显微镜   double-tube biologic microscope
  •   双筒电动卷扬机   double barrel electric hoist
  •   双筒目镜   binocular eyepiece
  •   双筒立式溶液过滤机   double cylinder vertical solution filter
  •   双筒线圈   binocular coil
  •   双筒船中部抽水泵   double barrel midship pump
  •   双筒钻机   dual drill rig
  •   双管上下排列的枪械   Over and Under
  •   双管上分供暖系统   two pipe drop heating system
  •   双管上分供暖系统   two pipe upfeed heating system