双联

• Double furnace bumper
  炉用双联式缓冲器
• Duplex safety valve
  双联弹簧式安全阀
• Directory of colleges and universities organized by location and alphabetical order
  -提供双联或学分转移的大专及本科课程。
• Compound planet gear
  双联行星齿轮
• Insulators and fittings for overhead lines . metal fittings . twining and bracing rods
  架空线路用绝缘子和器材.金具.双联杆和横杆
• Two throw crank shaft
  双联曲轴
• Twin single pump
  双联单作用泵
• The cupola - induction furnace duplex melting process can be used to increase the inoculation effect
  采用冲天炉感应炉双联熔炼能提高孕育效果。
• Prevent drainage construction technic and the prevention and cure step to common fault of twin - tunnel
  双联拱隧道防排水施工技术与通病防治措施
• Specification for welding of steel pipelines on land and offshore - duplex stainless steel pipelines
  陆地和近海铺设的钢管焊接规范.双联法不锈钢管道