通风

• Motor vehicles - ventilation and heat insulation - test method
  汽车隔热通风试验方法
• Please placed in the shade , ventilation , preservation
  请置于阴凉、通风处保存。
• Improvement of the ventilation system at weigang iron mine
  韦岗铁矿通风系统改造
• It ' s the place for ventilation and maintenance system
  那是通风和维护系统的地方
• Ventilate and air conditioning of fishing vessel cabins
  渔船舱室通风与空气调节
• Automatic forced draught burners for gaseous fuels
  气体燃料用自动强制通风燃烧器
• Evolvement of ventilation system of houzhuang mine area
  侯庄矿区通风系统的演变
• Fuzzy evaluation of air resistance in roadway ventilation
  巷道通风阻力的模糊评价
• Specifications for the mechanical ventilted psychrometer
  机械通风干湿表技术条件