风门

• Ctvs choke thermal vacuum switch
  阻风门热控真空开关
• Development and application of new type air door automatic closing equipment
  新型风门自动闭锁装置的研制与应用
• Automatic chock cover setting
  自动阻风门盖调到
• Easy - to - use choke lever
  容易使用的风门杠杆。
• Test of reverse ventilation door arrangement and reversing ventilation results
  矿井反向风门设置与反风实现效果试验
• Inserts for ventilator flaps
  通风器风门的嵌件
• The application of the electric pushing - stave in the device controlling ventilation
  电动推杆在风门启闭装置中的应用
• Initial choke valve clearance
  初始阻风门间隙
• Vpoc vacuum pull - off choke
  真空拉动式阻风门
• Vtk vacuum throttle kicker
  真空节流阀风门