inlet manifold
进口管汇
进气歧管
进气总管
进入歧管
进气岐管
进口阀箱
下集气管
进气管
cinnamon oil cassia oil
Essential oil Volatile oil
Extract Oil of Lubricating Oil
oil bearing sewage in oil field8
Oil Extractor in Oil Field
oil shale and oil shale residue
ultraheavy oil as fuel oil
adjustable inlet equipment
adjustable inlet guide vane(IGV) of gas turbine
air inlet
空气进口
进气进气口
进气道
空气入口
进气口
入气口
进气
进风口
送风口
气道
进气孔
进口气
风口
进风