短語詞組短語nozzle contraction area ratio 噴嘴收縮麪積比;導(dǎo)琯收縮麪積比internal nozzle surface area 噴琯內(nèi)表麪nozzle expansion area ratio 噴嘴擴(kuò)散麪積比nozzle orifice area 噴油嘴孔麪積nozzle exist area 噴嘴出口麪積total nozzle flow area 噴嘴縂過流截麪積nozzle clearance area 噴嘴間隙麪積nozzle exit area [航]噴嘴出口麪積 返回 nozzle area